Home / 2,142,149.06-3,213,110.42-702,642.85

Finding the Fourth Proportional to 2,142,149.06, 3,213,110.42 and 702,642.85

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Solution

The fourth proportional to 2,142,149.06, 3,213,110.42 and 702,642.85 is: 1,053,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,149.06 : 3,213,110.42 = 702,642.85 : x
  2. Step 2: Convert to fraction form
    2,142,149.06/3,213,110.42 = 702,642.85/x
  3. Step 3: Cross multiply
    2,142,149.06x = 3,213,110.42 × 702,642.85
  4. Step 4: Simplify right side
    2,142,149.06x = 2,257,669,062,873.50
  5. Step 5: Solve for x
    x = 2,257,669,062,873.50/2,142,149.06
  6. Step 6: Final answer
    x = 1,053,927.15

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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.