Home / 3,609,481-4,981,083.78-1,999,849

Finding the Fourth Proportional to 3,609,481, 4,981,083.78 and 1,999,849

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Solution

The fourth proportional to 3,609,481, 4,981,083.78 and 1,999,849 is: 2,759,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,481 : 4,981,083.78 = 1,999,849 : x
  2. Step 2: Convert to fraction form
    3,609,481/4,981,083.78 = 1,999,849/x
  3. Step 3: Cross multiply
    3,609,481x = 4,981,083.78 × 1,999,849
  4. Step 4: Simplify right side
    3,609,481x = 9,961,415,416,349.22
  5. Step 5: Solve for x
    x = 9,961,415,416,349.22/3,609,481
  6. Step 6: Final answer
    x = 2,759,791.62

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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.