Home / 6,138,865.64-9,206,727.24-1,819,905.90

Finding the Fourth Proportional to 6,138,865.64, 9,206,727.24 and 1,819,905.90

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Solution

The fourth proportional to 6,138,865.64, 9,206,727.24 and 1,819,905.90 is: 2,729,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,865.64 : 9,206,727.24 = 1,819,905.90 : x
  2. Step 2: Convert to fraction form
    6,138,865.64/9,206,727.24 = 1,819,905.90/x
  3. Step 3: Cross multiply
    6,138,865.64x = 9,206,727.24 × 1,819,905.90
  4. Step 4: Simplify right side
    6,138,865.64x = 16,755,377,223,766.71
  5. Step 5: Solve for x
    x = 16,755,377,223,766.71/6,138,865.64
  6. Step 6: Final answer
    x = 2,729,393.05

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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.