Home / 5,112,925.38-7,055,984.55-2,821,233.66

Finding the Fourth Proportional to 5,112,925.38, 7,055,984.55 and 2,821,233.66

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Solution

The fourth proportional to 5,112,925.38, 7,055,984.55 and 2,821,233.66 is: 3,893,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,925.38 : 7,055,984.55 = 2,821,233.66 : x
  2. Step 2: Convert to fraction form
    5,112,925.38/7,055,984.55 = 2,821,233.66/x
  3. Step 3: Cross multiply
    5,112,925.38x = 7,055,984.55 × 2,821,233.66
  4. Step 4: Simplify right side
    5,112,925.38x = 19,906,581,116,899.95
  5. Step 5: Solve for x
    x = 19,906,581,116,899.95/5,112,925.38
  6. Step 6: Final answer
    x = 3,893,383.85

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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.