Home / 2,722,469.20-4,083,703.80-828,964.60

Finding the Fourth Proportional to 2,722,469.20, 4,083,703.80 and 828,964.60

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Solution

The fourth proportional to 2,722,469.20, 4,083,703.80 and 828,964.60 is: 1,243,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722,469.20 : 4,083,703.80 = 828,964.60 : x
  2. Step 2: Convert to fraction form
    2,722,469.20/4,083,703.80 = 828,964.60/x
  3. Step 3: Cross multiply
    2,722,469.20x = 4,083,703.80 × 828,964.60
  4. Step 4: Simplify right side
    2,722,469.20x = 3,385,245,887,085.48
  5. Step 5: Solve for x
    x = 3,385,245,887,085.48/2,722,469.20
  6. Step 6: Final answer
    x = 1,243,446.90

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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.