Home / 3,179,973.78-4,387,965.12-2,149,723.26

Finding the Fourth Proportional to 3,179,973.78, 4,387,965.12 and 2,149,723.26

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Solution

The fourth proportional to 3,179,973.78, 4,387,965.12 and 2,149,723.26 is: 2,966,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,973.78 : 4,387,965.12 = 2,149,723.26 : x
  2. Step 2: Convert to fraction form
    3,179,973.78/4,387,965.12 = 2,149,723.26/x
  3. Step 3: Cross multiply
    3,179,973.78x = 4,387,965.12 × 2,149,723.26
  4. Step 4: Simplify right side
    3,179,973.78x = 9,432,910,682,532.69
  5. Step 5: Solve for x
    x = 9,432,910,682,532.69/3,179,973.78
  6. Step 6: Final answer
    x = 2,966,348.57

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Double scale
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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.