Home / 5,123,077.88-7,070,010.08-2,799,919.44

Finding the Fourth Proportional to 5,123,077.88, 7,070,010.08 and 2,799,919.44

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Solution

The fourth proportional to 5,123,077.88, 7,070,010.08 and 2,799,919.44 is: 3,863,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,077.88 : 7,070,010.08 = 2,799,919.44 : x
  2. Step 2: Convert to fraction form
    5,123,077.88/7,070,010.08 = 2,799,919.44/x
  3. Step 3: Cross multiply
    5,123,077.88x = 7,070,010.08 × 2,799,919.44
  4. Step 4: Simplify right side
    5,123,077.88x = 19,795,458,663,987.95
  5. Step 5: Solve for x
    x = 19,795,458,663,987.95/5,123,077.88
  6. Step 6: Final answer
    x = 3,863,977.70

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1.5x scale

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.