Home / 2,231,998.80-3,347,998.20-812,101.20

Finding the Fourth Proportional to 2,231,998.80, 3,347,998.20 and 812,101.20

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Solution

The fourth proportional to 2,231,998.80, 3,347,998.20 and 812,101.20 is: 1,218,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,998.80 : 3,347,998.20 = 812,101.20 : x
  2. Step 2: Convert to fraction form
    2,231,998.80/3,347,998.20 = 812,101.20/x
  3. Step 3: Cross multiply
    2,231,998.80x = 3,347,998.20 × 812,101.20
  4. Step 4: Simplify right side
    2,231,998.80x = 2,718,913,355,817.84
  5. Step 5: Solve for x
    x = 2,718,913,355,817.84/2,231,998.80
  6. Step 6: Final answer
    x = 1,218,151.80

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Similar ratio
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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.