Finding the Fourth Proportional to 1,715,079.20, 2,366,793.16 and 940,694.18
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Solution
The fourth proportional to 1,715,079.20, 2,366,793.16 and 940,694.18 is: 1,298,149.12
Step by Step Solution
- Step 1: Write the proportion equation
1,715,079.20 : 2,366,793.16 = 940,694.18 : x - Step 2: Convert to fraction form
1,715,079.20/2,366,793.16 = 940,694.18/x - Step 3: Cross multiply
1,715,079.20x = 2,366,793.16 × 940,694.18 - Step 4: Simplify right side
1,715,079.20x = 2,226,428,550,875.81 - Step 5: Solve for x
x = 2,226,428,550,875.81/1,715,079.20 - Step 6: Final answer
x = 1,298,149.12
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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.