Home / 3,548,015.60-5,322,023.40-1,419,627.20

Finding the Fourth Proportional to 3,548,015.60, 5,322,023.40 and 1,419,627.20

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Solution

The fourth proportional to 3,548,015.60, 5,322,023.40 and 1,419,627.20 is: 2,129,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,015.60 : 5,322,023.40 = 1,419,627.20 : x
  2. Step 2: Convert to fraction form
    3,548,015.60/5,322,023.40 = 1,419,627.20/x
  3. Step 3: Cross multiply
    3,548,015.60x = 5,322,023.40 × 1,419,627.20
  4. Step 4: Simplify right side
    3,548,015.60x = 7,555,289,177,676.48
  5. Step 5: Solve for x
    x = 7,555,289,177,676.48/3,548,015.60
  6. Step 6: Final answer
    x = 2,129,440.80

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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.