Home / 3,324,209.60-4,986,573.60-1,431,012.80

Finding the Fourth Proportional to 3,324,209.60, 4,986,573.60 and 1,431,012.80

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Solution

The fourth proportional to 3,324,209.60, 4,986,573.60 and 1,431,012.80 is: 2,146,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324,209.60 : 4,986,573.60 = 1,431,012.80 : x
  2. Step 2: Convert to fraction form
    3,324,209.60/4,986,573.60 = 1,431,012.80/x
  3. Step 3: Cross multiply
    3,324,209.60x = 4,986,573.60 × 1,431,012.80
  4. Step 4: Simplify right side
    3,324,209.60x = 7,135,850,649,742.08
  5. Step 5: Solve for x
    x = 7,135,850,649,742.08/3,324,209.60
  6. Step 6: Final answer
    x = 2,146,630.78

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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.