Home / 2,860,758.81-3,951,344.03-2,138,815.53

Finding the Fourth Proportional to 2,860,758.81, 3,951,344.03 and 2,138,815.53

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Solution

The fourth proportional to 2,860,758.81, 3,951,344.03 and 2,138,815.53 is: 2,954,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,758.81 : 3,951,344.03 = 2,138,815.53 : x
  2. Step 2: Convert to fraction form
    2,860,758.81/3,951,344.03 = 2,138,815.53/x
  3. Step 3: Cross multiply
    2,860,758.81x = 3,951,344.03 × 2,138,815.53
  4. Step 4: Simplify right side
    2,860,758.81x = 8,451,195,965,042.71
  5. Step 5: Solve for x
    x = 8,451,195,965,042.71/2,860,758.81
  6. Step 6: Final answer
    x = 2,954,179.83

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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.