Home / 5,343,519.60-8,003,469.60-2,147,000.40

Finding the Fourth Proportional to 5,343,519.60, 8,003,469.60 and 2,147,000.40

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Solution

The fourth proportional to 5,343,519.60, 8,003,469.60 and 2,147,000.40 is: 3,215,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,519.60 : 8,003,469.60 = 2,147,000.40 : x
  2. Step 2: Convert to fraction form
    5,343,519.60/8,003,469.60 = 2,147,000.40/x
  3. Step 3: Cross multiply
    5,343,519.60x = 8,003,469.60 × 2,147,000.40
  4. Step 4: Simplify right side
    5,343,519.60x = 17,183,452,432,587.84
  5. Step 5: Solve for x
    x = 17,183,452,432,587.84/5,343,519.60
  6. Step 6: Final answer
    x = 3,215,755.48

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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.