Home / 4,857,443.20-7,286,164.80-1,491,212.80

Finding the Fourth Proportional to 4,857,443.20, 7,286,164.80 and 1,491,212.80

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Solution

The fourth proportional to 4,857,443.20, 7,286,164.80 and 1,491,212.80 is: 2,236,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,443.20 : 7,286,164.80 = 1,491,212.80 : x
  2. Step 2: Convert to fraction form
    4,857,443.20/7,286,164.80 = 1,491,212.80/x
  3. Step 3: Cross multiply
    4,857,443.20x = 7,286,164.80 × 1,491,212.80
  4. Step 4: Simplify right side
    4,857,443.20x = 10,865,222,212,669.44
  5. Step 5: Solve for x
    x = 10,865,222,212,669.44/4,857,443.20
  6. Step 6: Final answer
    x = 2,236,819.20

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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.