Home / 2,087,986.28-3,131,997.91-825,814.04

Finding the Fourth Proportional to 2,087,986.28, 3,131,997.91 and 825,814.04

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Solution

The fourth proportional to 2,087,986.28, 3,131,997.91 and 825,814.04 is: 1,238,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,986.28 : 3,131,997.91 = 825,814.04 : x
  2. Step 2: Convert to fraction form
    2,087,986.28/3,131,997.91 = 825,814.04/x
  3. Step 3: Cross multiply
    2,087,986.28x = 3,131,997.91 × 825,814.04
  4. Step 4: Simplify right side
    2,087,986.28x = 2,586,447,829,604.13
  5. Step 5: Solve for x
    x = 2,586,447,829,604.13/2,087,986.28
  6. Step 6: Final answer
    x = 1,238,728.37

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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.