Home / 3,969,819.60-5,954,729.40-2,458,165.20

Finding the Fourth Proportional to 3,969,819.60, 5,954,729.40 and 2,458,165.20

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Solution

The fourth proportional to 3,969,819.60, 5,954,729.40 and 2,458,165.20 is: 3,687,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,819.60 : 5,954,729.40 = 2,458,165.20 : x
  2. Step 2: Convert to fraction form
    3,969,819.60/5,954,729.40 = 2,458,165.20/x
  3. Step 3: Cross multiply
    3,969,819.60x = 5,954,729.40 × 2,458,165.20
  4. Step 4: Simplify right side
    3,969,819.60x = 14,637,708,586,496.88
  5. Step 5: Solve for x
    x = 14,637,708,586,496.88/3,969,819.60
  6. Step 6: Final answer
    x = 3,687,247.80

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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.