Home / 2,329,131.31-3,494,257.53-981,679.30

Finding the Fourth Proportional to 2,329,131.31, 3,494,257.53 and 981,679.30

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Solution

The fourth proportional to 2,329,131.31, 3,494,257.53 and 981,679.30 is: 1,472,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329,131.31 : 3,494,257.53 = 981,679.30 : x
  2. Step 2: Convert to fraction form
    2,329,131.31/3,494,257.53 = 981,679.30/x
  3. Step 3: Cross multiply
    2,329,131.31x = 3,494,257.53 × 981,679.30
  4. Step 4: Simplify right side
    2,329,131.31x = 3,430,240,279,175.13
  5. Step 5: Solve for x
    x = 3,430,240,279,175.13/2,329,131.31
  6. Step 6: Final answer
    x = 1,472,755.21

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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.