Home / 2,131,660.80-3,194,769.60-868,060.80

Finding the Fourth Proportional to 2,131,660.80, 3,194,769.60 and 868,060.80

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Solution

The fourth proportional to 2,131,660.80, 3,194,769.60 and 868,060.80 is: 1,300,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,660.80 : 3,194,769.60 = 868,060.80 : x
  2. Step 2: Convert to fraction form
    2,131,660.80/3,194,769.60 = 868,060.80/x
  3. Step 3: Cross multiply
    2,131,660.80x = 3,194,769.60 × 868,060.80
  4. Step 4: Simplify right side
    2,131,660.80x = 2,773,254,254,791.68
  5. Step 5: Solve for x
    x = 2,773,254,254,791.68/2,131,660.80
  6. Step 6: Final answer
    x = 1,300,982.90

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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.