Finding the Fourth Proportional to 1,976,600.12, 2,728,000.68 and 1,251,515.12
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Solution
The fourth proportional to 1,976,600.12, 2,728,000.68 and 1,251,515.12 is: 1,727,276.08
Step by Step Solution
- Step 1: Write the proportion equation
1,976,600.12 : 2,728,000.68 = 1,251,515.12 : x - Step 2: Convert to fraction form
1,976,600.12/2,728,000.68 = 1,251,515.12/x - Step 3: Cross multiply
1,976,600.12x = 2,728,000.68 × 1,251,515.12 - Step 4: Simplify right side
1,976,600.12x = 3,414,134,098,390.28 - Step 5: Solve for x
x = 3,414,134,098,390.28/1,976,600.12 - Step 6: Final answer
x = 1,727,276.08
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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.