Home / 4,857,689.20-7,286,533.80-1,491,458.80

Finding the Fourth Proportional to 4,857,689.20, 7,286,533.80 and 1,491,458.80

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Solution

The fourth proportional to 4,857,689.20, 7,286,533.80 and 1,491,458.80 is: 2,237,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,689.20 : 7,286,533.80 = 1,491,458.80 : x
  2. Step 2: Convert to fraction form
    4,857,689.20/7,286,533.80 = 1,491,458.80/x
  3. Step 3: Cross multiply
    4,857,689.20x = 7,286,533.80 × 1,491,458.80
  4. Step 4: Simplify right side
    4,857,689.20x = 10,867,564,957,507.44
  5. Step 5: Solve for x
    x = 10,867,564,957,507.44/4,857,689.20
  6. Step 6: Final answer
    x = 2,237,188.20

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Similar ratio
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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.