Home / 3,609,639.10-4,981,301.99-1,978,110.66

Finding the Fourth Proportional to 3,609,639.10, 4,981,301.99 and 1,978,110.66

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Solution

The fourth proportional to 3,609,639.10, 4,981,301.99 and 1,978,110.66 is: 2,729,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,639.10 : 4,981,301.99 = 1,978,110.66 : x
  2. Step 2: Convert to fraction form
    3,609,639.10/4,981,301.99 = 1,978,110.66/x
  3. Step 3: Cross multiply
    3,609,639.10x = 4,981,301.99 × 1,978,110.66
  4. Step 4: Simplify right side
    3,609,639.10x = 9,853,566,567,098.21
  5. Step 5: Solve for x
    x = 9,853,566,567,098.21/3,609,639.10
  6. Step 6: Final answer
    x = 2,729,792.73

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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.