Home / 5,128,126.62-7,077,028.77-2,952,615.66

Finding the Fourth Proportional to 5,128,126.62, 7,077,028.77 and 2,952,615.66

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Solution

The fourth proportional to 5,128,126.62, 7,077,028.77 and 2,952,615.66 is: 4,074,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,126.62 : 7,077,028.77 = 2,952,615.66 : x
  2. Step 2: Convert to fraction form
    5,128,126.62/7,077,028.77 = 2,952,615.66/x
  3. Step 3: Cross multiply
    5,128,126.62x = 7,077,028.77 × 2,952,615.66
  4. Step 4: Simplify right side
    5,128,126.62x = 20,895,745,972,572.54
  5. Step 5: Solve for x
    x = 20,895,745,972,572.54/5,128,126.62
  6. Step 6: Final answer
    x = 4,074,732.85

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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.