Home / 3,943,656.12-5,442,249.08-2,132,820.12

Finding the Fourth Proportional to 3,943,656.12, 5,442,249.08 and 2,132,820.12

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Solution

The fourth proportional to 3,943,656.12, 5,442,249.08 and 2,132,820.12 is: 2,943,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,656.12 : 5,442,249.08 = 2,132,820.12 : x
  2. Step 2: Convert to fraction form
    3,943,656.12/5,442,249.08 = 2,132,820.12/x
  3. Step 3: Cross multiply
    3,943,656.12x = 5,442,249.08 × 2,132,820.12
  4. Step 4: Simplify right side
    3,943,656.12x = 11,607,338,335,875.49
  5. Step 5: Solve for x
    x = 11,607,338,335,875.49/3,943,656.12
  6. Step 6: Final answer
    x = 2,943,293.73

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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.