Home / 3,790,600.67-5,231,958.38-2,159,969.21

Finding the Fourth Proportional to 3,790,600.67, 5,231,958.38 and 2,159,969.21

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Solution

The fourth proportional to 3,790,600.67, 5,231,958.38 and 2,159,969.21 is: 2,981,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790,600.67 : 5,231,958.38 = 2,159,969.21 : x
  2. Step 2: Convert to fraction form
    3,790,600.67/5,231,958.38 = 2,159,969.21/x
  3. Step 3: Cross multiply
    3,790,600.67x = 5,231,958.38 × 2,159,969.21
  4. Step 4: Simplify right side
    3,790,600.67x = 11,300,869,008,801.48
  5. Step 5: Solve for x
    x = 11,300,869,008,801.48/3,790,600.67
  6. Step 6: Final answer
    x = 2,981,287.13

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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.