Finding the Fourth Proportional to 2,275,984.43, 3,141,306.86 and 1,357,753.98
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Solution
The fourth proportional to 2,275,984.43, 3,141,306.86 and 1,357,753.98 is: 1,873,967.96
Step by Step Solution
- Step 1: Write the proportion equation
2,275,984.43 : 3,141,306.86 = 1,357,753.98 : x - Step 2: Convert to fraction form
2,275,984.43/3,141,306.86 = 1,357,753.98/x - Step 3: Cross multiply
2,275,984.43x = 3,141,306.86 × 1,357,753.98 - Step 4: Simplify right side
2,275,984.43x = 4,265,121,891,566.30 - Step 5: Solve for x
x = 4,265,121,891,566.30/2,275,984.43 - Step 6: Final answer
x = 1,873,967.96
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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.