Home / 3,936,469.60-5,904,704.40-1,277,077.60

Finding the Fourth Proportional to 3,936,469.60, 5,904,704.40 and 1,277,077.60

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Solution

The fourth proportional to 3,936,469.60, 5,904,704.40 and 1,277,077.60 is: 1,915,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,469.60 : 5,904,704.40 = 1,277,077.60 : x
  2. Step 2: Convert to fraction form
    3,936,469.60/5,904,704.40 = 1,277,077.60/x
  3. Step 3: Cross multiply
    3,936,469.60x = 5,904,704.40 × 1,277,077.60
  4. Step 4: Simplify right side
    3,936,469.60x = 7,540,765,723,861.44
  5. Step 5: Solve for x
    x = 7,540,765,723,861.44/3,936,469.60
  6. Step 6: Final answer
    x = 1,915,616.40

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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.