Home / 1,231,906.20-1,847,859.30-1,099,195.80

Finding the Fourth Proportional to 1,231,906.20, 1,847,859.30 and 1,099,195.80

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Solution

The fourth proportional to 1,231,906.20, 1,847,859.30 and 1,099,195.80 is: 1,648,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,906.20 : 1,847,859.30 = 1,099,195.80 : x
  2. Step 2: Convert to fraction form
    1,231,906.20/1,847,859.30 = 1,099,195.80/x
  3. Step 3: Cross multiply
    1,231,906.20x = 1,847,859.30 × 1,099,195.80
  4. Step 4: Simplify right side
    1,231,906.20x = 2,031,159,181,550.94
  5. Step 5: Solve for x
    x = 2,031,159,181,550.94/1,231,906.20
  6. Step 6: Final answer
    x = 1,648,793.70

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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.