Home / 3,959,948.78-5,464,729.32-2,149,112.78

Finding the Fourth Proportional to 3,959,948.78, 5,464,729.32 and 2,149,112.78

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Solution

The fourth proportional to 3,959,948.78, 5,464,729.32 and 2,149,112.78 is: 2,965,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,948.78 : 5,464,729.32 = 2,149,112.78 : x
  2. Step 2: Convert to fraction form
    3,959,948.78/5,464,729.32 = 2,149,112.78/x
  3. Step 3: Cross multiply
    3,959,948.78x = 5,464,729.32 × 2,149,112.78
  4. Step 4: Simplify right side
    3,959,948.78x = 11,744,319,629,141.75
  5. Step 5: Solve for x
    x = 11,744,319,629,141.75/3,959,948.78
  6. Step 6: Final answer
    x = 2,965,775.64

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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.