Home / 4,278,558.44-6,416,481.90-1,399,259.90

Finding the Fourth Proportional to 4,278,558.44, 6,416,481.90 and 1,399,259.90

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Solution

The fourth proportional to 4,278,558.44, 6,416,481.90 and 1,399,259.90 is: 2,098,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,558.44 : 6,416,481.90 = 1,399,259.90 : x
  2. Step 2: Convert to fraction form
    4,278,558.44/6,416,481.90 = 1,399,259.90/x
  3. Step 3: Cross multiply
    4,278,558.44x = 6,416,481.90 × 1,399,259.90
  4. Step 4: Simplify right side
    4,278,558.44x = 8,978,325,821,745.81
  5. Step 5: Solve for x
    x = 8,978,325,821,745.81/4,278,558.44
  6. Step 6: Final answer
    x = 2,098,446.46

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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.