Home / 1,954,778.26-2,930,120.43-818,191.30

Finding the Fourth Proportional to 1,954,778.26, 2,930,120.43 and 818,191.30

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Solution

The fourth proportional to 1,954,778.26, 2,930,120.43 and 818,191.30 is: 1,226,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,778.26 : 2,930,120.43 = 818,191.30 : x
  2. Step 2: Convert to fraction form
    1,954,778.26/2,930,120.43 = 818,191.30/x
  3. Step 3: Cross multiply
    1,954,778.26x = 2,930,120.43 × 818,191.30
  4. Step 4: Simplify right side
    1,954,778.26x = 2,397,399,043,778.26
  5. Step 5: Solve for x
    x = 2,397,399,043,778.26/1,954,778.26
  6. Step 6: Final answer
    x = 1,226,430.18

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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.