Home / 5,123,078.38-7,070,010.77-2,799,919.94

Finding the Fourth Proportional to 5,123,078.38, 7,070,010.77 and 2,799,919.94

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Solution

The fourth proportional to 5,123,078.38, 7,070,010.77 and 2,799,919.94 is: 3,863,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,078.38 : 7,070,010.77 = 2,799,919.94 : x
  2. Step 2: Convert to fraction form
    5,123,078.38/7,070,010.77 = 2,799,919.94/x
  3. Step 3: Cross multiply
    5,123,078.38x = 7,070,010.77 × 2,799,919.94
  4. Step 4: Simplify right side
    5,123,078.38x = 19,795,464,130,937.75
  5. Step 5: Solve for x
    x = 19,795,464,130,937.75/5,123,078.38
  6. Step 6: Final answer
    x = 3,863,978.39

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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.