Home / 3,885,422.07-5,361,921.56-2,143,165.94

Finding the Fourth Proportional to 3,885,422.07, 5,361,921.56 and 2,143,165.94

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Solution

The fourth proportional to 3,885,422.07, 5,361,921.56 and 2,143,165.94 is: 2,957,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,422.07 : 5,361,921.56 = 2,143,165.94 : x
  2. Step 2: Convert to fraction form
    3,885,422.07/5,361,921.56 = 2,143,165.94/x
  3. Step 3: Cross multiply
    3,885,422.07x = 5,361,921.56 × 2,143,165.94
  4. Step 4: Simplify right side
    3,885,422.07x = 11,491,487,658,999.18
  5. Step 5: Solve for x
    x = 11,491,487,658,999.18/3,885,422.07
  6. Step 6: Final answer
    x = 2,957,590.56

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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.