Home / 4,313,144.20-6,468,608.70-1,279,792.60

Finding the Fourth Proportional to 4,313,144.20, 6,468,608.70 and 1,279,792.60

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Solution

The fourth proportional to 4,313,144.20, 6,468,608.70 and 1,279,792.60 is: 1,919,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313,144.20 : 6,468,608.70 = 1,279,792.60 : x
  2. Step 2: Convert to fraction form
    4,313,144.20/6,468,608.70 = 1,279,792.60/x
  3. Step 3: Cross multiply
    4,313,144.20x = 6,468,608.70 × 1,279,792.60
  4. Step 4: Simplify right side
    4,313,144.20x = 8,278,477,546,555.62
  5. Step 5: Solve for x
    x = 8,278,477,546,555.62/4,313,144.20
  6. Step 6: Final answer
    x = 1,919,360.25

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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.