Home / 3,959,964.12-5,464,749.06-2,149,128.12

Finding the Fourth Proportional to 3,959,964.12, 5,464,749.06 and 2,149,128.12

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Solution

The fourth proportional to 3,959,964.12, 5,464,749.06 and 2,149,128.12 is: 2,965,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,964.12 : 5,464,749.06 = 2,149,128.12 : x
  2. Step 2: Convert to fraction form
    3,959,964.12/5,464,749.06 = 2,149,128.12/x
  3. Step 3: Cross multiply
    3,959,964.12x = 5,464,749.06 × 2,149,128.12
  4. Step 4: Simplify right side
    3,959,964.12x = 11,744,445,873,589.57
  5. Step 5: Solve for x
    x = 11,744,445,873,589.57/3,959,964.12
  6. Step 6: Final answer
    x = 2,965,796.03

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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.