Home / 2,691,028.72-3,713,694.40-1,644,619.44

Finding the Fourth Proportional to 2,691,028.72, 3,713,694.40 and 1,644,619.44

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Solution

The fourth proportional to 2,691,028.72, 3,713,694.40 and 1,644,619.44 is: 2,269,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,028.72 : 3,713,694.40 = 1,644,619.44 : x
  2. Step 2: Convert to fraction form
    2,691,028.72/3,713,694.40 = 1,644,619.44/x
  3. Step 3: Cross multiply
    2,691,028.72x = 3,713,694.40 × 1,644,619.44
  4. Step 4: Simplify right side
    2,691,028.72x = 6,107,614,004,459.14
  5. Step 5: Solve for x
    x = 6,107,614,004,459.14/2,691,028.72
  6. Step 6: Final answer
    x = 2,269,620.52

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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.