Home / 5,178,706.20-7,767,778.68-1,584,473.76

Finding the Fourth Proportional to 5,178,706.20, 7,767,778.68 and 1,584,473.76

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Solution

The fourth proportional to 5,178,706.20, 7,767,778.68 and 1,584,473.76 is: 2,376,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,706.20 : 7,767,778.68 = 1,584,473.76 : x
  2. Step 2: Convert to fraction form
    5,178,706.20/7,767,778.68 = 1,584,473.76/x
  3. Step 3: Cross multiply
    5,178,706.20x = 7,767,778.68 × 1,584,473.76
  4. Step 4: Simplify right side
    5,178,706.20x = 12,307,841,491,947.44
  5. Step 5: Solve for x
    x = 12,307,841,491,947.44/5,178,706.20
  6. Step 6: Final answer
    x = 2,376,624.78

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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.