Home / 3,959,645.64-5,464,310.80-2,148,809.64

Finding the Fourth Proportional to 3,959,645.64, 5,464,310.80 and 2,148,809.64

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Solution

The fourth proportional to 3,959,645.64, 5,464,310.80 and 2,148,809.64 is: 2,965,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,645.64 : 5,464,310.80 = 2,148,809.64 : x
  2. Step 2: Convert to fraction form
    3,959,645.64/5,464,310.80 = 2,148,809.64/x
  3. Step 3: Cross multiply
    3,959,645.64x = 5,464,310.80 × 2,148,809.64
  4. Step 4: Simplify right side
    3,959,645.64x = 11,741,763,722,996.11
  5. Step 5: Solve for x
    x = 11,741,763,722,996.11/3,959,645.64
  6. Step 6: Final answer
    x = 2,965,357.20

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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.