Home / 4,921,233.20-7,382,886.60-2,079,882.80

Finding the Fourth Proportional to 4,921,233.20, 7,382,886.60 and 2,079,882.80

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Solution

The fourth proportional to 4,921,233.20, 7,382,886.60 and 2,079,882.80 is: 3,120,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,233.20 : 7,382,886.60 = 2,079,882.80 : x
  2. Step 2: Convert to fraction form
    4,921,233.20/7,382,886.60 = 2,079,882.80/x
  3. Step 3: Cross multiply
    4,921,233.20x = 7,382,886.60 × 2,079,882.80
  4. Step 4: Simplify right side
    4,921,233.20x = 15,355,538,853,690.48
  5. Step 5: Solve for x
    x = 15,355,538,853,690.48/4,921,233.20
  6. Step 6: Final answer
    x = 3,120,262.39

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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.