Home / 2,087,997.40-3,131,996.10-1,479,136.60

Finding the Fourth Proportional to 2,087,997.40, 3,131,996.10 and 1,479,136.60

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Solution

The fourth proportional to 2,087,997.40, 3,131,996.10 and 1,479,136.60 is: 2,218,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,997.40 : 3,131,996.10 = 1,479,136.60 : x
  2. Step 2: Convert to fraction form
    2,087,997.40/3,131,996.10 = 1,479,136.60/x
  3. Step 3: Cross multiply
    2,087,997.40x = 3,131,996.10 × 1,479,136.60
  4. Step 4: Simplify right side
    2,087,997.40x = 4,632,650,062,567.26
  5. Step 5: Solve for x
    x = 4,632,650,062,567.26/2,087,997.40
  6. Step 6: Final answer
    x = 2,218,704.90

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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.