Home / 6,481,083.20-9,723,007.20-1,993,812.80

Finding the Fourth Proportional to 6,481,083.20, 9,723,007.20 and 1,993,812.80

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Solution

The fourth proportional to 6,481,083.20, 9,723,007.20 and 1,993,812.80 is: 2,991,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481,083.20 : 9,723,007.20 = 1,993,812.80 : x
  2. Step 2: Convert to fraction form
    6,481,083.20/9,723,007.20 = 1,993,812.80/x
  3. Step 3: Cross multiply
    6,481,083.20x = 9,723,007.20 × 1,993,812.80
  4. Step 4: Simplify right side
    6,481,083.20x = 19,385,856,209,852.16
  5. Step 5: Solve for x
    x = 19,385,856,209,852.16/6,481,083.20
  6. Step 6: Final answer
    x = 2,991,144.48

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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.