Finding the Fourth Proportional to 2,088,901.32, 2,882,691.12 and 1,315,044.12
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Solution
The fourth proportional to 2,088,901.32, 2,882,691.12 and 1,315,044.12 is: 1,814,765.48
Step by Step Solution
- Step 1: Write the proportion equation
2,088,901.32 : 2,882,691.12 = 1,315,044.12 : x - Step 2: Convert to fraction form
2,088,901.32/2,882,691.12 = 1,315,044.12/x - Step 3: Cross multiply
2,088,901.32x = 2,882,691.12 × 1,315,044.12 - Step 4: Simplify right side
2,088,901.32x = 3,790,866,007,132.22 - Step 5: Solve for x
x = 3,790,866,007,132.22/2,088,901.32 - Step 6: Final answer
x = 1,814,765.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.