Home / 7,280,968.20-10,921,452.30-2,231,622.60

Finding the Fourth Proportional to 7,280,968.20, 10,921,452.30 and 2,231,622.60

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Solution

The fourth proportional to 7,280,968.20, 10,921,452.30 and 2,231,622.60 is: 3,347,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,968.20 : 10,921,452.30 = 2,231,622.60 : x
  2. Step 2: Convert to fraction form
    7,280,968.20/10,921,452.30 = 2,231,622.60/x
  3. Step 3: Cross multiply
    7,280,968.20x = 10,921,452.30 × 2,231,622.60
  4. Step 4: Simplify right side
    7,280,968.20x = 24,372,559,777,501.98
  5. Step 5: Solve for x
    x = 24,372,559,777,501.98/7,280,968.20
  6. Step 6: Final answer
    x = 3,347,433.90

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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.