Home / 2,708,125.38-4,062,439.58-979,428.24

Finding the Fourth Proportional to 2,708,125.38, 4,062,439.58 and 979,428.24

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Solution

The fourth proportional to 2,708,125.38, 4,062,439.58 and 979,428.24 is: 1,469,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708,125.38 : 4,062,439.58 = 979,428.24 : x
  2. Step 2: Convert to fraction form
    2,708,125.38/4,062,439.58 = 979,428.24/x
  3. Step 3: Cross multiply
    2,708,125.38x = 4,062,439.58 × 979,428.24
  4. Step 4: Simplify right side
    2,708,125.38x = 3,978,868,043,048.60
  5. Step 5: Solve for x
    x = 3,978,868,043,048.60/2,708,125.38
  6. Step 6: Final answer
    x = 1,469,233.32

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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.