Finding the Fourth Proportional to 3,609,489.60, 5,414,234.40 and 1,481,101.20
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Solution
The fourth proportional to 3,609,489.60, 5,414,234.40 and 1,481,101.20 is: 2,221,651.80
Step by Step Solution
- Step 1: Write the proportion equation
3,609,489.60 : 5,414,234.40 = 1,481,101.20 : x - Step 2: Convert to fraction form
3,609,489.60/5,414,234.40 = 1,481,101.20/x - Step 3: Cross multiply
3,609,489.60x = 5,414,234.40 × 1,481,101.20 - Step 4: Simplify right side
3,609,489.60x = 8,019,029,066,921.28 - Step 5: Solve for x
x = 8,019,029,066,921.28/3,609,489.60 - Step 6: Final answer
x = 2,221,651.80
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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.