Home / 5,431,990.70-8,148,970.20-2,729,514.80

Finding the Fourth Proportional to 5,431,990.70, 8,148,970.20 and 2,729,514.80

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Solution

The fourth proportional to 5,431,990.70, 8,148,970.20 and 2,729,514.80 is: 4,094,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,990.70 : 8,148,970.20 = 2,729,514.80 : x
  2. Step 2: Convert to fraction form
    5,431,990.70/8,148,970.20 = 2,729,514.80/x
  3. Step 3: Cross multiply
    5,431,990.70x = 8,148,970.20 × 2,729,514.80
  4. Step 4: Simplify right side
    5,431,990.70x = 22,242,734,765,658.96
  5. Step 5: Solve for x
    x = 22,242,734,765,658.96/5,431,990.70
  6. Step 6: Final answer
    x = 4,094,766.72

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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.