Finding the Fourth Proportional to 1,545,517.92, 2,316,640.68 and 519,871.80
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Solution
The fourth proportional to 1,545,517.92, 2,316,640.68 and 519,871.80 is: 779,257.33
Step by Step Solution
- Step 1: Write the proportion equation
1,545,517.92 : 2,316,640.68 = 519,871.80 : x - Step 2: Convert to fraction form
1,545,517.92/2,316,640.68 = 519,871.80/x - Step 3: Cross multiply
1,545,517.92x = 2,316,640.68 × 519,871.80 - Step 4: Simplify right side
1,545,517.92x = 1,204,356,160,264.82 - Step 5: Solve for x
x = 1,204,356,160,264.82/1,545,517.92 - Step 6: Final answer
x = 779,257.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.