Home / 3,428,288.32-5,142,375.24-834,620.44

Finding the Fourth Proportional to 3,428,288.32, 5,142,375.24 and 834,620.44

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Solution

The fourth proportional to 3,428,288.32, 5,142,375.24 and 834,620.44 is: 1,251,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,288.32 : 5,142,375.24 = 834,620.44 : x
  2. Step 2: Convert to fraction form
    3,428,288.32/5,142,375.24 = 834,620.44/x
  3. Step 3: Cross multiply
    3,428,288.32x = 5,142,375.24 × 834,620.44
  4. Step 4: Simplify right side
    3,428,288.32x = 4,291,931,485,453.91
  5. Step 5: Solve for x
    x = 4,291,931,485,453.91/3,428,288.32
  6. Step 6: Final answer
    x = 1,251,916.72

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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.