Home / 7,261,481.30-10,893,404.04-2,144,428.78

Finding the Fourth Proportional to 7,261,481.30, 10,893,404.04 and 2,144,428.78

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Solution

The fourth proportional to 7,261,481.30, 10,893,404.04 and 2,144,428.78 is: 3,216,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,481.30 : 10,893,404.04 = 2,144,428.78 : x
  2. Step 2: Convert to fraction form
    7,261,481.30/10,893,404.04 = 2,144,428.78/x
  3. Step 3: Cross multiply
    7,261,481.30x = 10,893,404.04 × 2,144,428.78
  4. Step 4: Simplify right side
    7,261,481.30x = 23,360,129,135,544.27
  5. Step 5: Solve for x
    x = 23,360,129,135,544.27/7,261,481.30
  6. Step 6: Final answer
    x = 3,216,992.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.