Home / 5,621,375.80-8,436,000.30-2,428,793.20

Finding the Fourth Proportional to 5,621,375.80, 8,436,000.30 and 2,428,793.20

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Solution

The fourth proportional to 5,621,375.80, 8,436,000.30 and 2,428,793.20 is: 3,644,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621,375.80 : 8,436,000.30 = 2,428,793.20 : x
  2. Step 2: Convert to fraction form
    5,621,375.80/8,436,000.30 = 2,428,793.20/x
  3. Step 3: Cross multiply
    5,621,375.80x = 8,436,000.30 × 2,428,793.20
  4. Step 4: Simplify right side
    5,621,375.80x = 20,489,300,163,837.96
  5. Step 5: Solve for x
    x = 20,489,300,163,837.96/5,621,375.80
  6. Step 6: Final answer
    x = 3,644,890.66

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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.