Home / 3,179,027.22-4,387,078.17-1,728,738.42

Finding the Fourth Proportional to 3,179,027.22, 4,387,078.17 and 1,728,738.42

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Solution

The fourth proportional to 3,179,027.22, 4,387,078.17 and 1,728,738.42 is: 2,385,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,027.22 : 4,387,078.17 = 1,728,738.42 : x
  2. Step 2: Convert to fraction form
    3,179,027.22/4,387,078.17 = 1,728,738.42/x
  3. Step 3: Cross multiply
    3,179,027.22x = 4,387,078.17 × 1,728,738.42
  4. Step 4: Simplify right side
    3,179,027.22x = 7,584,110,584,022.29
  5. Step 5: Solve for x
    x = 7,584,110,584,022.29/3,179,027.22
  6. Step 6: Final answer
    x = 2,385,670.23

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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.