Home / 6,684,979.20-9,225,221.76-3,629,114.88

Finding the Fourth Proportional to 6,684,979.20, 9,225,221.76 and 3,629,114.88

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Solution

The fourth proportional to 6,684,979.20, 9,225,221.76 and 3,629,114.88 is: 5,008,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684,979.20 : 9,225,221.76 = 3,629,114.88 : x
  2. Step 2: Convert to fraction form
    6,684,979.20/9,225,221.76 = 3,629,114.88/x
  3. Step 3: Cross multiply
    6,684,979.20x = 9,225,221.76 × 3,629,114.88
  4. Step 4: Simplify right side
    6,684,979.20x = 33,479,389,560,515.79
  5. Step 5: Solve for x
    x = 33,479,389,560,515.79/6,684,979.20
  6. Step 6: Final answer
    x = 5,008,151.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.