Home / 1,441,439.37-2,162,158.74-1,321,158.17

Finding the Fourth Proportional to 1,441,439.37, 2,162,158.74 and 1,321,158.17

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Solution

The fourth proportional to 1,441,439.37, 2,162,158.74 and 1,321,158.17 is: 1,981,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,439.37 : 2,162,158.74 = 1,321,158.17 : x
  2. Step 2: Convert to fraction form
    1,441,439.37/2,162,158.74 = 1,321,158.17/x
  3. Step 3: Cross multiply
    1,441,439.37x = 2,162,158.74 × 1,321,158.17
  4. Step 4: Simplify right side
    1,441,439.37x = 2,856,553,689,593.30
  5. Step 5: Solve for x
    x = 2,856,553,689,593.30/1,441,439.37
  6. Step 6: Final answer
    x = 1,981,736.97

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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.