Finding the Fourth Proportional to 4,740,134.20, 6,539,523.91 and 2,752,931.51
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Solution
The fourth proportional to 4,740,134.20, 6,539,523.91 and 2,752,931.51 is: 3,797,964.50
Step by Step Solution
- Step 1: Write the proportion equation
4,740,134.20 : 6,539,523.91 = 2,752,931.51 : x - Step 2: Convert to fraction form
4,740,134.20/6,539,523.91 = 2,752,931.51/x - Step 3: Cross multiply
4,740,134.20x = 6,539,523.91 × 2,752,931.51 - Step 4: Simplify right side
4,740,134.20x = 18,002,861,403,627.64 - Step 5: Solve for x
x = 18,002,861,403,627.64/4,740,134.20 - Step 6: Final answer
x = 3,797,964.50
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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.