Finding the Fourth Proportional to 2,132,386.43, 3,198,747.92 and 712,447.52
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Solution
The fourth proportional to 2,132,386.43, 3,198,747.92 and 712,447.52 is: 1,068,727.50
Step by Step Solution
- Step 1: Write the proportion equation
2,132,386.43 : 3,198,747.92 = 712,447.52 : x - Step 2: Convert to fraction form
2,132,386.43/3,198,747.92 = 712,447.52/x - Step 3: Cross multiply
2,132,386.43x = 3,198,747.92 × 712,447.52 - Step 4: Simplify right side
2,132,386.43x = 2,278,940,003,153.18 - Step 5: Solve for x
x = 2,278,940,003,153.18/2,132,386.43 - Step 6: Final answer
x = 1,068,727.50
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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.