Home / 2,947,471.60-4,067,469.12-1,658,308.90

Finding the Fourth Proportional to 2,947,471.60, 4,067,469.12 and 1,658,308.90

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Solution

The fourth proportional to 2,947,471.60, 4,067,469.12 and 1,658,308.90 is: 2,288,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,471.60 : 4,067,469.12 = 1,658,308.90 : x
  2. Step 2: Convert to fraction form
    2,947,471.60/4,067,469.12 = 1,658,308.90/x
  3. Step 3: Cross multiply
    2,947,471.60x = 4,067,469.12 × 1,658,308.90
  4. Step 4: Simplify right side
    2,947,471.60x = 6,745,120,242,171.17
  5. Step 5: Solve for x
    x = 6,745,120,242,171.17/2,947,471.60
  6. Step 6: Final answer
    x = 2,288,442.83

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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.