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Finding the Fourth Proportional to 5,694,467.20, 8,541,700.80 and 3,040,259.20

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Solution

The fourth proportional to 5,694,467.20, 8,541,700.80 and 3,040,259.20 is: 4,560,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694,467.20 : 8,541,700.80 = 3,040,259.20 : x
  2. Step 2: Convert to fraction form
    5,694,467.20/8,541,700.80 = 3,040,259.20/x
  3. Step 3: Cross multiply
    5,694,467.20x = 8,541,700.80 × 3,040,259.20
  4. Step 4: Simplify right side
    5,694,467.20x = 25,968,984,440,847.36
  5. Step 5: Solve for x
    x = 25,968,984,440,847.36/5,694,467.20
  6. Step 6: Final answer
    x = 4,560,388.80

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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.