Finding the Fourth Proportional to 1,681,463.08, 2,320,475.06 and 917,558.56
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Solution
The fourth proportional to 1,681,463.08, 2,320,475.06 and 917,558.56 is: 1,266,261.38
Step by Step Solution
- Step 1: Write the proportion equation
1,681,463.08 : 2,320,475.06 = 917,558.56 : x - Step 2: Convert to fraction form
1,681,463.08/2,320,475.06 = 917,558.56/x - Step 3: Cross multiply
1,681,463.08x = 2,320,475.06 × 917,558.56 - Step 4: Simplify right side
1,681,463.08x = 2,129,171,754,569.51 - Step 5: Solve for x
x = 2,129,171,754,569.51/1,681,463.08 - Step 6: Final answer
x = 1,266,261.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.