Home / 5,451,721.20-8,177,508.90-1,665,222.30

Finding the Fourth Proportional to 5,451,721.20, 8,177,508.90 and 1,665,222.30

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Solution

The fourth proportional to 5,451,721.20, 8,177,508.90 and 1,665,222.30 is: 2,497,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,721.20 : 8,177,508.90 = 1,665,222.30 : x
  2. Step 2: Convert to fraction form
    5,451,721.20/8,177,508.90 = 1,665,222.30/x
  3. Step 3: Cross multiply
    5,451,721.20x = 8,177,508.90 × 1,665,222.30
  4. Step 4: Simplify right side
    5,451,721.20x = 13,617,370,178,728.47
  5. Step 5: Solve for x
    x = 13,617,370,178,728.47/5,451,721.20
  6. Step 6: Final answer
    x = 2,497,811.18

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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.