Home / 5,451,449.80-8,177,174.70-4,920,608.20

Finding the Fourth Proportional to 5,451,449.80, 8,177,174.70 and 4,920,608.20

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Solution

The fourth proportional to 5,451,449.80, 8,177,174.70 and 4,920,608.20 is: 7,380,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,449.80 : 8,177,174.70 = 4,920,608.20 : x
  2. Step 2: Convert to fraction form
    5,451,449.80/8,177,174.70 = 4,920,608.20/x
  3. Step 3: Cross multiply
    5,451,449.80x = 8,177,174.70 × 4,920,608.20
  4. Step 4: Simplify right side
    5,451,449.80x = 40,236,672,881,652.54
  5. Step 5: Solve for x
    x = 40,236,672,881,652.54/5,451,449.80
  6. Step 6: Final answer
    x = 7,380,912.30

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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.