Home / 5,251,571.47-7,874,207.56-2,408,121.55

Finding the Fourth Proportional to 5,251,571.47, 7,874,207.56 and 2,408,121.55

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Solution

The fourth proportional to 5,251,571.47, 7,874,207.56 and 2,408,121.55 is: 3,610,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,571.47 : 7,874,207.56 = 2,408,121.55 : x
  2. Step 2: Convert to fraction form
    5,251,571.47/7,874,207.56 = 2,408,121.55/x
  3. Step 3: Cross multiply
    5,251,571.47x = 7,874,207.56 × 2,408,121.55
  4. Step 4: Simplify right side
    5,251,571.47x = 18,962,048,914,408.91
  5. Step 5: Solve for x
    x = 18,962,048,914,408.91/5,251,571.47
  6. Step 6: Final answer
    x = 3,610,738.05

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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.