Home / 5,647,816.80-8,469,905.04-1,860,397.92

Finding the Fourth Proportional to 5,647,816.80, 8,469,905.04 and 1,860,397.92

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Solution

The fourth proportional to 5,647,816.80, 8,469,905.04 and 1,860,397.92 is: 2,789,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647,816.80 : 8,469,905.04 = 1,860,397.92 : x
  2. Step 2: Convert to fraction form
    5,647,816.80/8,469,905.04 = 1,860,397.92/x
  3. Step 3: Cross multiply
    5,647,816.80x = 8,469,905.04 × 1,860,397.92
  4. Step 4: Simplify right side
    5,647,816.80x = 15,757,393,719,013.51
  5. Step 5: Solve for x
    x = 15,757,393,719,013.51/5,647,816.80
  6. Step 6: Final answer
    x = 2,789,997.32

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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.