Home / 2,142,924.11-3,214,404.19-545,487.47

Finding the Fourth Proportional to 2,142,924.11, 3,214,404.19 and 545,487.47

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Solution

The fourth proportional to 2,142,924.11, 3,214,404.19 and 545,487.47 is: 818,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,924.11 : 3,214,404.19 = 545,487.47 : x
  2. Step 2: Convert to fraction form
    2,142,924.11/3,214,404.19 = 545,487.47/x
  3. Step 3: Cross multiply
    2,142,924.11x = 3,214,404.19 × 545,487.47
  4. Step 4: Simplify right side
    2,142,924.11x = 1,753,417,202,755.99
  5. Step 5: Solve for x
    x = 1,753,417,202,755.99/2,142,924.11
  6. Step 6: Final answer
    x = 818,235.79

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Double scale
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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.