Home / 2,639,503-3,642,523.86-1,432,279

Finding the Fourth Proportional to 2,639,503, 3,642,523.86 and 1,432,279

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Solution

The fourth proportional to 2,639,503, 3,642,523.86 and 1,432,279 is: 1,976,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,503 : 3,642,523.86 = 1,432,279 : x
  2. Step 2: Convert to fraction form
    2,639,503/3,642,523.86 = 1,432,279/x
  3. Step 3: Cross multiply
    2,639,503x = 3,642,523.86 × 1,432,279
  4. Step 4: Simplify right side
    2,639,503x = 5,217,110,431,676.94
  5. Step 5: Solve for x
    x = 5,217,110,431,676.94/2,639,503
  6. Step 6: Final answer
    x = 1,976,550.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.