Home / 3,969,680.64-5,478,042.24-2,250,958.08

Finding the Fourth Proportional to 3,969,680.64, 5,478,042.24 and 2,250,958.08

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Solution

The fourth proportional to 3,969,680.64, 5,478,042.24 and 2,250,958.08 is: 3,106,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,680.64 : 5,478,042.24 = 2,250,958.08 : x
  2. Step 2: Convert to fraction form
    3,969,680.64/5,478,042.24 = 2,250,958.08/x
  3. Step 3: Cross multiply
    3,969,680.64x = 5,478,042.24 × 2,250,958.08
  4. Step 4: Simplify right side
    3,969,680.64x = 12,330,843,442,709.30
  5. Step 5: Solve for x
    x = 12,330,843,442,709.30/3,969,680.64
  6. Step 6: Final answer
    x = 3,106,255.78

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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.