Home / 4,149,100.87-6,222,304.42-1,378,624.65

Finding the Fourth Proportional to 4,149,100.87, 6,222,304.42 and 1,378,624.65

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Solution

The fourth proportional to 4,149,100.87, 6,222,304.42 and 1,378,624.65 is: 2,067,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149,100.87 : 6,222,304.42 = 1,378,624.65 : x
  2. Step 2: Convert to fraction form
    4,149,100.87/6,222,304.42 = 1,378,624.65/x
  3. Step 3: Cross multiply
    4,149,100.87x = 6,222,304.42 × 1,378,624.65
  4. Step 4: Simplify right side
    4,149,100.87x = 8,578,222,226,435.75
  5. Step 5: Solve for x
    x = 8,578,222,226,435.75/4,149,100.87
  6. Step 6: Final answer
    x = 2,067,489.44

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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.