Home / 7,280,959.20-10,921,438.80-2,231,613.60

Finding the Fourth Proportional to 7,280,959.20, 10,921,438.80 and 2,231,613.60

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Solution

The fourth proportional to 7,280,959.20, 10,921,438.80 and 2,231,613.60 is: 3,347,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,959.20 : 10,921,438.80 = 2,231,613.60 : x
  2. Step 2: Convert to fraction form
    7,280,959.20/10,921,438.80 = 2,231,613.60/x
  3. Step 3: Cross multiply
    7,280,959.20x = 10,921,438.80 × 2,231,613.60
  4. Step 4: Simplify right side
    7,280,959.20x = 24,372,431,357,647.68
  5. Step 5: Solve for x
    x = 24,372,431,357,647.68/7,280,959.20
  6. Step 6: Final answer
    x = 3,347,420.40

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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.