Home / 2,131,777.65-3,198,168.45-692,456.55

Finding the Fourth Proportional to 2,131,777.65, 3,198,168.45 and 692,456.55

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Solution

The fourth proportional to 2,131,777.65, 3,198,168.45 and 692,456.55 is: 1,038,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,777.65 : 3,198,168.45 = 692,456.55 : x
  2. Step 2: Convert to fraction form
    2,131,777.65/3,198,168.45 = 692,456.55/x
  3. Step 3: Cross multiply
    2,131,777.65x = 3,198,168.45 × 692,456.55
  4. Step 4: Simplify right side
    2,131,777.65x = 2,214,592,691,205.85
  5. Step 5: Solve for x
    x = 2,214,592,691,205.85/2,131,777.65
  6. Step 6: Final answer
    x = 1,038,847.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.