Home / 4,857,311.20-7,285,966.80-1,491,685.60

Finding the Fourth Proportional to 4,857,311.20, 7,285,966.80 and 1,491,685.60

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Solution

The fourth proportional to 4,857,311.20, 7,285,966.80 and 1,491,685.60 is: 2,237,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,311.20 : 7,285,966.80 = 1,491,685.60 : x
  2. Step 2: Convert to fraction form
    4,857,311.20/7,285,966.80 = 1,491,685.60/x
  3. Step 3: Cross multiply
    4,857,311.20x = 7,285,966.80 × 1,491,685.60
  4. Step 4: Simplify right side
    4,857,311.20x = 10,868,371,757,638.08
  5. Step 5: Solve for x
    x = 10,868,371,757,638.08/4,857,311.20
  6. Step 6: Final answer
    x = 2,237,528.40

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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.