Home / 5,618,761-7,753,910.74-3,040,441.80

Finding the Fourth Proportional to 5,618,761, 7,753,910.74 and 3,040,441.80

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Solution

The fourth proportional to 5,618,761, 7,753,910.74 and 3,040,441.80 is: 4,195,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618,761 : 7,753,910.74 = 3,040,441.80 : x
  2. Step 2: Convert to fraction form
    5,618,761/7,753,910.74 = 3,040,441.80/x
  3. Step 3: Cross multiply
    5,618,761x = 7,753,910.74 × 3,040,441.80
  4. Step 4: Simplify right side
    5,618,761x = 23,575,314,327,364.93
  5. Step 5: Solve for x
    x = 23,575,314,327,364.93/5,618,761
  6. Step 6: Final answer
    x = 4,195,820.81

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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.