Home / 3,106,315.76-4,659,791.74-1,188,839.57

Finding the Fourth Proportional to 3,106,315.76, 4,659,791.74 and 1,188,839.57

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Solution

The fourth proportional to 3,106,315.76, 4,659,791.74 and 1,188,839.57 is: 1,783,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,315.76 : 4,659,791.74 = 1,188,839.57 : x
  2. Step 2: Convert to fraction form
    3,106,315.76/4,659,791.74 = 1,188,839.57/x
  3. Step 3: Cross multiply
    3,106,315.76x = 4,659,791.74 × 1,188,839.57
  4. Step 4: Simplify right side
    3,106,315.76x = 5,539,744,782,200.09
  5. Step 5: Solve for x
    x = 5,539,744,782,200.09/3,106,315.76
  6. Step 6: Final answer
    x = 1,783,381.09

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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.