Home / 2,419,372.40-3,338,707.52-1,331,620.62

Finding the Fourth Proportional to 2,419,372.40, 3,338,707.52 and 1,331,620.62

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Solution

The fourth proportional to 2,419,372.40, 3,338,707.52 and 1,331,620.62 is: 1,837,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,372.40 : 3,338,707.52 = 1,331,620.62 : x
  2. Step 2: Convert to fraction form
    2,419,372.40/3,338,707.52 = 1,331,620.62/x
  3. Step 3: Cross multiply
    2,419,372.40x = 3,338,707.52 × 1,331,620.62
  4. Step 4: Simplify right side
    2,419,372.40x = 4,445,891,777,781.06
  5. Step 5: Solve for x
    x = 4,445,891,777,781.06/2,419,372.40
  6. Step 6: Final answer
    x = 1,837,621.93

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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.