Home / 6,238,481.20-9,357,721.80-1,978,982.80

Finding the Fourth Proportional to 6,238,481.20, 9,357,721.80 and 1,978,982.80

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Solution

The fourth proportional to 6,238,481.20, 9,357,721.80 and 1,978,982.80 is: 2,968,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238,481.20 : 9,357,721.80 = 1,978,982.80 : x
  2. Step 2: Convert to fraction form
    6,238,481.20/9,357,721.80 = 1,978,982.80/x
  3. Step 3: Cross multiply
    6,238,481.20x = 9,357,721.80 × 1,978,982.80
  4. Step 4: Simplify right side
    6,238,481.20x = 18,518,770,489,385.04
  5. Step 5: Solve for x
    x = 18,518,770,489,385.04/6,238,481.20
  6. Step 6: Final answer
    x = 2,968,474.20

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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.