Home / 2,760,266.09-4,140,848.56-815,191.49

Finding the Fourth Proportional to 2,760,266.09, 4,140,848.56 and 815,191.49

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Solution

The fourth proportional to 2,760,266.09, 4,140,848.56 and 815,191.49 is: 1,222,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,266.09 : 4,140,848.56 = 815,191.49 : x
  2. Step 2: Convert to fraction form
    2,760,266.09/4,140,848.56 = 815,191.49/x
  3. Step 3: Cross multiply
    2,760,266.09x = 4,140,848.56 × 815,191.49
  4. Step 4: Simplify right side
    2,760,266.09x = 3,375,584,503,414.80
  5. Step 5: Solve for x
    x = 3,375,584,503,414.80/2,760,266.09
  6. Step 6: Final answer
    x = 1,222,919.96

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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.