Home / 2,782,989.75-4,171,571.34-1,164,685.85

Finding the Fourth Proportional to 2,782,989.75, 4,171,571.34 and 1,164,685.85

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Solution

The fourth proportional to 2,782,989.75, 4,171,571.34 and 1,164,685.85 is: 1,745,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,989.75 : 4,171,571.34 = 1,164,685.85 : x
  2. Step 2: Convert to fraction form
    2,782,989.75/4,171,571.34 = 1,164,685.85/x
  3. Step 3: Cross multiply
    2,782,989.75x = 4,171,571.34 × 1,164,685.85
  4. Step 4: Simplify right side
    2,782,989.75x = 4,858,570,091,105.68
  5. Step 5: Solve for x
    x = 4,858,570,091,105.68/2,782,989.75
  6. Step 6: Final answer
    x = 1,745,809.55

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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.