Home / 3,222,872.20-4,834,308.30-978,718.60

Finding the Fourth Proportional to 3,222,872.20, 4,834,308.30 and 978,718.60

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Solution

The fourth proportional to 3,222,872.20, 4,834,308.30 and 978,718.60 is: 1,468,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222,872.20 : 4,834,308.30 = 978,718.60 : x
  2. Step 2: Convert to fraction form
    3,222,872.20/4,834,308.30 = 978,718.60/x
  3. Step 3: Cross multiply
    3,222,872.20x = 4,834,308.30 × 978,718.60
  4. Step 4: Simplify right side
    3,222,872.20x = 4,731,427,451,344.38
  5. Step 5: Solve for x
    x = 4,731,427,451,344.38/3,222,872.20
  6. Step 6: Final answer
    x = 1,468,077.90

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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.