Home / 3,228,306.87-4,454,733.87-1,987,720.20

Finding the Fourth Proportional to 3,228,306.87, 4,454,733.87 and 1,987,720.20

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Solution

The fourth proportional to 3,228,306.87, 4,454,733.87 and 1,987,720.20 is: 2,742,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,306.87 : 4,454,733.87 = 1,987,720.20 : x
  2. Step 2: Convert to fraction form
    3,228,306.87/4,454,733.87 = 1,987,720.20/x
  3. Step 3: Cross multiply
    3,228,306.87x = 4,454,733.87 × 1,987,720.20
  4. Step 4: Simplify right side
    3,228,306.87x = 8,854,764,499,023.17
  5. Step 5: Solve for x
    x = 8,854,764,499,023.17/3,228,306.87
  6. Step 6: Final answer
    x = 2,742,850.93

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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.