Home / 2,753,129.20-4,129,693.80-731,685.10

Finding the Fourth Proportional to 2,753,129.20, 4,129,693.80 and 731,685.10

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Solution

The fourth proportional to 2,753,129.20, 4,129,693.80 and 731,685.10 is: 1,097,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,129.20 : 4,129,693.80 = 731,685.10 : x
  2. Step 2: Convert to fraction form
    2,753,129.20/4,129,693.80 = 731,685.10/x
  3. Step 3: Cross multiply
    2,753,129.20x = 4,129,693.80 × 731,685.10
  4. Step 4: Simplify right side
    2,753,129.20x = 3,021,635,421,022.38
  5. Step 5: Solve for x
    x = 3,021,635,421,022.38/2,753,129.20
  6. Step 6: Final answer
    x = 1,097,527.65

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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.