Home / 3,988,042.56-5,503,515.84-2,177,245.44

Finding the Fourth Proportional to 3,988,042.56, 5,503,515.84 and 2,177,245.44

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Solution

The fourth proportional to 3,988,042.56, 5,503,515.84 and 2,177,245.44 is: 3,004,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,042.56 : 5,503,515.84 = 2,177,245.44 : x
  2. Step 2: Convert to fraction form
    3,988,042.56/5,503,515.84 = 2,177,245.44/x
  3. Step 3: Cross multiply
    3,988,042.56x = 5,503,515.84 × 2,177,245.44
  4. Step 4: Simplify right side
    3,988,042.56x = 11,982,504,766,607.77
  5. Step 5: Solve for x
    x = 11,982,504,766,607.77/3,988,042.56
  6. Step 6: Final answer
    x = 3,004,608.05

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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.