Home / 3,886,387.82-5,363,224.71-2,167,619.66

Finding the Fourth Proportional to 3,886,387.82, 5,363,224.71 and 2,167,619.66

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Solution

The fourth proportional to 3,886,387.82, 5,363,224.71 and 2,167,619.66 is: 2,991,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,387.82 : 5,363,224.71 = 2,167,619.66 : x
  2. Step 2: Convert to fraction form
    3,886,387.82/5,363,224.71 = 2,167,619.66/x
  3. Step 3: Cross multiply
    3,886,387.82x = 5,363,224.71 × 2,167,619.66
  4. Step 4: Simplify right side
    3,886,387.82x = 11,625,431,322,393.80
  5. Step 5: Solve for x
    x = 11,625,431,322,393.80/3,886,387.82
  6. Step 6: Final answer
    x = 2,991,320.44

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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.