Finding the Fourth Proportional to 1,805,358.97, 2,691,898.07 and 1,755,757.81
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Solution
The fourth proportional to 1,805,358.97, 2,691,898.07 and 1,755,757.81 is: 2,617,939.78
Step by Step Solution
- Step 1: Write the proportion equation
1,805,358.97 : 2,691,898.07 = 1,755,757.81 : x - Step 2: Convert to fraction form
1,805,358.97/2,691,898.07 = 1,755,757.81/x - Step 3: Cross multiply
1,805,358.97x = 2,691,898.07 × 1,755,757.81 - Step 4: Simplify right side
1,805,358.97x = 4,726,321,060,126.43 - Step 5: Solve for x
x = 4,726,321,060,126.43/1,805,358.97 - Step 6: Final answer
x = 2,617,939.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.