Home / 4,890,738.20-7,336,107.30-4,099,481.60

Finding the Fourth Proportional to 4,890,738.20, 7,336,107.30 and 4,099,481.60

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Solution

The fourth proportional to 4,890,738.20, 7,336,107.30 and 4,099,481.60 is: 6,149,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,738.20 : 7,336,107.30 = 4,099,481.60 : x
  2. Step 2: Convert to fraction form
    4,890,738.20/7,336,107.30 = 4,099,481.60/x
  3. Step 3: Cross multiply
    4,890,738.20x = 7,336,107.30 × 4,099,481.60
  4. Step 4: Simplify right side
    4,890,738.20x = 30,074,236,891,975.68
  5. Step 5: Solve for x
    x = 30,074,236,891,975.68/4,890,738.20
  6. Step 6: Final answer
    x = 6,149,222.40

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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.