Home / 2,631,496.60-3,944,065.92-1,281,635.92

Finding the Fourth Proportional to 2,631,496.60, 3,944,065.92 and 1,281,635.92

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Solution

The fourth proportional to 2,631,496.60, 3,944,065.92 and 1,281,635.92 is: 1,920,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,496.60 : 3,944,065.92 = 1,281,635.92 : x
  2. Step 2: Convert to fraction form
    2,631,496.60/3,944,065.92 = 1,281,635.92/x
  3. Step 3: Cross multiply
    2,631,496.60x = 3,944,065.92 × 1,281,635.92
  4. Step 4: Simplify right side
    2,631,496.60x = 5,054,856,553,919.85
  5. Step 5: Solve for x
    x = 5,054,856,553,919.85/2,631,496.60
  6. Step 6: Final answer
    x = 1,920,905.60

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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.