Home / 5,165,617.51-7,138,383.78-3,874,215.88

Finding the Fourth Proportional to 5,165,617.51, 7,138,383.78 and 3,874,215.88

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Solution

The fourth proportional to 5,165,617.51, 7,138,383.78 and 3,874,215.88 is: 5,353,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165,617.51 : 7,138,383.78 = 3,874,215.88 : x
  2. Step 2: Convert to fraction form
    5,165,617.51/7,138,383.78 = 3,874,215.88/x
  3. Step 3: Cross multiply
    5,165,617.51x = 7,138,383.78 × 3,874,215.88
  4. Step 4: Simplify right side
    5,165,617.51x = 27,655,639,798,010.43
  5. Step 5: Solve for x
    x = 27,655,639,798,010.43/5,165,617.51
  6. Step 6: Final answer
    x = 5,353,791.63

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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.