Finding the Fourth Proportional to 2,744,455.91, 3,787,432.16 and 1,520,647.02
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Solution
The fourth proportional to 2,744,455.91, 3,787,432.16 and 1,520,647.02 is: 2,098,538.88
Step by Step Solution
- Step 1: Write the proportion equation
2,744,455.91 : 3,787,432.16 = 1,520,647.02 : x - Step 2: Convert to fraction form
2,744,455.91/3,787,432.16 = 1,520,647.02/x - Step 3: Cross multiply
2,744,455.91x = 3,787,432.16 × 1,520,647.02 - Step 4: Simplify right side
2,744,455.91x = 5,759,347,419,952.93 - Step 5: Solve for x
x = 5,759,347,419,952.93/2,744,455.91 - Step 6: Final answer
x = 2,098,538.88
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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.