Finding the Fourth Proportional to 2,132,490.64, 3,198,901.20 and 712,551.74
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Solution
The fourth proportional to 2,132,490.64, 3,198,901.20 and 712,551.74 is: 1,068,882.82
Step by Step Solution
- Step 1: Write the proportion equation
2,132,490.64 : 3,198,901.20 = 712,551.74 : x - Step 2: Convert to fraction form
2,132,490.64/3,198,901.20 = 712,551.74/x - Step 3: Cross multiply
2,132,490.64x = 3,198,901.20 × 712,551.74 - Step 4: Simplify right side
2,132,490.64x = 2,279,382,616,148.09 - Step 5: Solve for x
x = 2,279,382,616,148.09/2,132,490.64 - Step 6: Final answer
x = 1,068,882.82
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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.