Home / 5,467,981.20-8,201,971.80-2,279,335.20

Finding the Fourth Proportional to 5,467,981.20, 8,201,971.80 and 2,279,335.20

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Solution

The fourth proportional to 5,467,981.20, 8,201,971.80 and 2,279,335.20 is: 3,419,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467,981.20 : 8,201,971.80 = 2,279,335.20 : x
  2. Step 2: Convert to fraction form
    5,467,981.20/8,201,971.80 = 2,279,335.20/x
  3. Step 3: Cross multiply
    5,467,981.20x = 8,201,971.80 × 2,279,335.20
  4. Step 4: Simplify right side
    5,467,981.20x = 18,695,043,033,147.36
  5. Step 5: Solve for x
    x = 18,695,043,033,147.36/5,467,981.20
  6. Step 6: Final answer
    x = 3,419,002.80

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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.