Home / 3,930,338.30-5,423,972.83-2,211,519.92

Finding the Fourth Proportional to 3,930,338.30, 5,423,972.83 and 2,211,519.92

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Solution

The fourth proportional to 3,930,338.30, 5,423,972.83 and 2,211,519.92 is: 3,051,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,338.30 : 5,423,972.83 = 2,211,519.92 : x
  2. Step 2: Convert to fraction form
    3,930,338.30/5,423,972.83 = 2,211,519.92/x
  3. Step 3: Cross multiply
    3,930,338.30x = 5,423,972.83 × 2,211,519.92
  4. Step 4: Simplify right side
    3,930,338.30x = 11,995,223,926,435.11
  5. Step 5: Solve for x
    x = 11,995,223,926,435.11/3,930,338.30
  6. Step 6: Final answer
    x = 3,051,957.12

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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.