Home / 4,857,374.20-7,286,061.30-1,491,143.80

Finding the Fourth Proportional to 4,857,374.20, 7,286,061.30 and 1,491,143.80

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Solution

The fourth proportional to 4,857,374.20, 7,286,061.30 and 1,491,143.80 is: 2,236,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,374.20 : 7,286,061.30 = 1,491,143.80 : x
  2. Step 2: Convert to fraction form
    4,857,374.20/7,286,061.30 = 1,491,143.80/x
  3. Step 3: Cross multiply
    4,857,374.20x = 7,286,061.30 × 1,491,143.80
  4. Step 4: Simplify right side
    4,857,374.20x = 10,864,565,133,914.94
  5. Step 5: Solve for x
    x = 10,864,565,133,914.94/4,857,374.20
  6. Step 6: Final answer
    x = 2,236,715.70

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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.