Home / 6,687,439.20-9,228,665.16-3,786,829.20

Finding the Fourth Proportional to 6,687,439.20, 9,228,665.16 and 3,786,829.20

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Solution

The fourth proportional to 6,687,439.20, 9,228,665.16 and 3,786,829.20 is: 5,225,823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687,439.20 : 9,228,665.16 = 3,786,829.20 : x
  2. Step 2: Convert to fraction form
    6,687,439.20/9,228,665.16 = 3,786,829.20/x
  3. Step 3: Cross multiply
    6,687,439.20x = 9,228,665.16 × 3,786,829.20
  4. Step 4: Simplify right side
    6,687,439.20x = 34,947,378,704,910.68
  5. Step 5: Solve for x
    x = 34,947,378,704,910.68/6,687,439.20
  6. Step 6: Final answer
    x = 5,225,823.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.