Home / 6,124,767.20-9,187,150.80-3,138,783.20

Finding the Fourth Proportional to 6,124,767.20, 9,187,150.80 and 3,138,783.20

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Solution

The fourth proportional to 6,124,767.20, 9,187,150.80 and 3,138,783.20 is: 4,708,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124,767.20 : 9,187,150.80 = 3,138,783.20 : x
  2. Step 2: Convert to fraction form
    6,124,767.20/9,187,150.80 = 3,138,783.20/x
  3. Step 3: Cross multiply
    6,124,767.20x = 9,187,150.80 × 3,138,783.20
  4. Step 4: Simplify right side
    6,124,767.20x = 28,836,474,586,906.56
  5. Step 5: Solve for x
    x = 28,836,474,586,906.56/6,124,767.20
  6. Step 6: Final answer
    x = 4,708,174.80

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Similar ratio
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1.5x scale

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.