reciprocally

In a reciprocal manner; with reciprocating action or effect; alternatingly; interchangeably; correspondingly.

In a reciprocal ratio or proportion; inversely.

In a reciprocal manner; so that each affects the other, and is equally affected by it; interchangeably; mutually.

In the manner of reciprocals.

Proportional, as two variable quantities, so that the one shall have a constant ratio to the reciprocal of the other.