Home / 3,943,760-5,442,388.80-2,132,924

Finding the Fourth Proportional to 3,943,760, 5,442,388.80 and 2,132,924

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Solution

The fourth proportional to 3,943,760, 5,442,388.80 and 2,132,924 is: 2,943,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,760 : 5,442,388.80 = 2,132,924 : x
  2. Step 2: Convert to fraction form
    3,943,760/5,442,388.80 = 2,132,924/x
  3. Step 3: Cross multiply
    3,943,760x = 5,442,388.80 × 2,132,924
  4. Step 4: Simplify right side
    3,943,760x = 11,608,201,688,851.20
  5. Step 5: Solve for x
    x = 11,608,201,688,851.20/3,943,760
  6. Step 6: Final answer
    x = 2,943,435.12

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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.