Finding the Fourth Proportional to 1,528,711.26, 2,293,988.49 and 532,139.10
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Solution
The fourth proportional to 1,528,711.26, 2,293,988.49 and 532,139.10 is: 798,529.46
Step by Step Solution
- Step 1: Write the proportion equation
1,528,711.26 : 2,293,988.49 = 532,139.10 : x - Step 2: Convert to fraction form
1,528,711.26/2,293,988.49 = 532,139.10/x - Step 3: Cross multiply
1,528,711.26x = 2,293,988.49 × 532,139.10 - Step 4: Simplify right side
1,528,711.26x = 1,220,720,970,478.96 - Step 5: Solve for x
x = 1,220,720,970,478.96/1,528,711.26 - Step 6: Final answer
x = 798,529.46
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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.