Home / 3,934,978.43-5,430,215.03-2,192,721.24

Finding the Fourth Proportional to 3,934,978.43, 5,430,215.03 and 2,192,721.24

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Solution

The fourth proportional to 3,934,978.43, 5,430,215.03 and 2,192,721.24 is: 3,025,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,978.43 : 5,430,215.03 = 2,192,721.24 : x
  2. Step 2: Convert to fraction form
    3,934,978.43/5,430,215.03 = 2,192,721.24/x
  3. Step 3: Cross multiply
    3,934,978.43x = 5,430,215.03 × 2,192,721.24
  4. Step 4: Simplify right side
    3,934,978.43x = 11,906,947,843,447.94
  5. Step 5: Solve for x
    x = 11,906,947,843,447.94/3,934,978.43
  6. Step 6: Final answer
    x = 3,025,924.56

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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.