Home / 2,659,453.75-3,989,180.72-664,909.75

Finding the Fourth Proportional to 2,659,453.75, 3,989,180.72 and 664,909.75

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Solution

The fourth proportional to 2,659,453.75, 3,989,180.72 and 664,909.75 is: 997,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,453.75 : 3,989,180.72 = 664,909.75 : x
  2. Step 2: Convert to fraction form
    2,659,453.75/3,989,180.72 = 664,909.75/x
  3. Step 3: Cross multiply
    2,659,453.75x = 3,989,180.72 × 664,909.75
  4. Step 4: Simplify right side
    2,659,453.75x = 2,652,445,155,240.02
  5. Step 5: Solve for x
    x = 2,652,445,155,240.02/2,659,453.75
  6. Step 6: Final answer
    x = 997,364.65

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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.