Home / 1,981,727.13-2,971,830.09-843,767.85

Finding the Fourth Proportional to 1,981,727.13, 2,971,830.09 and 843,767.85

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Solution

The fourth proportional to 1,981,727.13, 2,971,830.09 and 843,767.85 is: 1,265,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,727.13 : 2,971,830.09 = 843,767.85 : x
  2. Step 2: Convert to fraction form
    1,981,727.13/2,971,830.09 = 843,767.85/x
  3. Step 3: Cross multiply
    1,981,727.13x = 2,971,830.09 × 843,767.85
  4. Step 4: Simplify right side
    1,981,727.13x = 2,507,534,685,604.61
  5. Step 5: Solve for x
    x = 2,507,534,685,604.61/1,981,727.13
  6. Step 6: Final answer
    x = 1,265,327.93

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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.