Home / 2,279,615.70-3,418,986.15-682,230.90

Finding the Fourth Proportional to 2,279,615.70, 3,418,986.15 and 682,230.90

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Solution

The fourth proportional to 2,279,615.70, 3,418,986.15 and 682,230.90 is: 1,023,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,615.70 : 3,418,986.15 = 682,230.90 : x
  2. Step 2: Convert to fraction form
    2,279,615.70/3,418,986.15 = 682,230.90/x
  3. Step 3: Cross multiply
    2,279,615.70x = 3,418,986.15 × 682,230.90
  4. Step 4: Simplify right side
    2,279,615.70x = 2,332,537,998,202.04
  5. Step 5: Solve for x
    x = 2,332,537,998,202.04/2,279,615.70
  6. Step 6: Final answer
    x = 1,023,215.45

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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.