Home / 3,839,882.24-5,298,935.88-2,120,965.76

Finding the Fourth Proportional to 3,839,882.24, 5,298,935.88 and 2,120,965.76

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Solution

The fourth proportional to 3,839,882.24, 5,298,935.88 and 2,120,965.76 is: 2,926,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,882.24 : 5,298,935.88 = 2,120,965.76 : x
  2. Step 2: Convert to fraction form
    3,839,882.24/5,298,935.88 = 2,120,965.76/x
  3. Step 3: Cross multiply
    3,839,882.24x = 5,298,935.88 × 2,120,965.76
  4. Step 4: Simplify right side
    3,839,882.24x = 11,238,861,565,915.47
  5. Step 5: Solve for x
    x = 11,238,861,565,915.47/3,839,882.24
  6. Step 6: Final answer
    x = 2,926,876.62

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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.