Home / 3,753,069.39-5,179,179.49-2,121,419.36

Finding the Fourth Proportional to 3,753,069.39, 5,179,179.49 and 2,121,419.36

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Solution

The fourth proportional to 3,753,069.39, 5,179,179.49 and 2,121,419.36 is: 2,927,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753,069.39 : 5,179,179.49 = 2,121,419.36 : x
  2. Step 2: Convert to fraction form
    3,753,069.39/5,179,179.49 = 2,121,419.36/x
  3. Step 3: Cross multiply
    3,753,069.39x = 5,179,179.49 × 2,121,419.36
  4. Step 4: Simplify right side
    3,753,069.39x = 10,987,211,646,645.33
  5. Step 5: Solve for x
    x = 10,987,211,646,645.33/3,753,069.39
  6. Step 6: Final answer
    x = 2,927,526.91

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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.