Home / 6,481,078.20-9,722,999.70-1,993,807.80

Finding the Fourth Proportional to 6,481,078.20, 9,722,999.70 and 1,993,807.80

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Solution

The fourth proportional to 6,481,078.20, 9,722,999.70 and 1,993,807.80 is: 2,991,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481,078.20 : 9,722,999.70 = 1,993,807.80 : x
  2. Step 2: Convert to fraction form
    6,481,078.20/9,722,999.70 = 1,993,807.80/x
  3. Step 3: Cross multiply
    6,481,078.20x = 9,722,999.70 × 1,993,807.80
  4. Step 4: Simplify right side
    6,481,078.20x = 19,385,792,641,257.66
  5. Step 5: Solve for x
    x = 19,385,792,641,257.66/6,481,078.20
  6. Step 6: Final answer
    x = 2,991,136.97

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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.