Home / 5,188,279.67-7,787,142.11-2,761,470.33

Finding the Fourth Proportional to 5,188,279.67, 7,787,142.11 and 2,761,470.33

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Solution

The fourth proportional to 5,188,279.67, 7,787,142.11 and 2,761,470.33 is: 4,144,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,279.67 : 7,787,142.11 = 2,761,470.33 : x
  2. Step 2: Convert to fraction form
    5,188,279.67/7,787,142.11 = 2,761,470.33/x
  3. Step 3: Cross multiply
    5,188,279.67x = 7,787,142.11 × 2,761,470.33
  4. Step 4: Simplify right side
    5,188,279.67x = 21,503,961,911,726.45
  5. Step 5: Solve for x
    x = 21,503,961,911,726.45/5,188,279.67
  6. Step 6: Final answer
    x = 4,144,719.12

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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.