Home / 4,969,764.20-7,452,021.90-2,126,664.20

Finding the Fourth Proportional to 4,969,764.20, 7,452,021.90 and 2,126,664.20

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Solution

The fourth proportional to 4,969,764.20, 7,452,021.90 and 2,126,664.20 is: 3,188,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969,764.20 : 7,452,021.90 = 2,126,664.20 : x
  2. Step 2: Convert to fraction form
    4,969,764.20/7,452,021.90 = 2,126,664.20/x
  3. Step 3: Cross multiply
    4,969,764.20x = 7,452,021.90 × 2,126,664.20
  4. Step 4: Simplify right side
    4,969,764.20x = 15,847,948,192,345.98
  5. Step 5: Solve for x
    x = 15,847,948,192,345.98/4,969,764.20
  6. Step 6: Final answer
    x = 3,188,873.27

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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.