Home / 3,839,428.48-5,298,451.20-2,120,592.64

Finding the Fourth Proportional to 3,839,428.48, 5,298,451.20 and 2,120,592.64

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Solution

The fourth proportional to 3,839,428.48, 5,298,451.20 and 2,120,592.64 is: 2,926,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,428.48 : 5,298,451.20 = 2,120,592.64 : x
  2. Step 2: Convert to fraction form
    3,839,428.48/5,298,451.20 = 2,120,592.64/x
  3. Step 3: Cross multiply
    3,839,428.48x = 5,298,451.20 × 2,120,592.64
  4. Step 4: Simplify right side
    3,839,428.48x = 11,235,856,618,119.17
  5. Step 5: Solve for x
    x = 11,235,856,618,119.17/3,839,428.48
  6. Step 6: Final answer
    x = 2,926,439.88

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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.