Home / 2,718,861.69-4,078,027.67-825,619.53

Finding the Fourth Proportional to 2,718,861.69, 4,078,027.67 and 825,619.53

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Solution

The fourth proportional to 2,718,861.69, 4,078,027.67 and 825,619.53 is: 1,238,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,861.69 : 4,078,027.67 = 825,619.53 : x
  2. Step 2: Convert to fraction form
    2,718,861.69/4,078,027.67 = 825,619.53/x
  3. Step 3: Cross multiply
    2,718,861.69x = 4,078,027.67 × 825,619.53
  4. Step 4: Simplify right side
    2,718,861.69x = 3,366,899,284,104.30
  5. Step 5: Solve for x
    x = 3,366,899,284,104.30/2,718,861.69
  6. Step 6: Final answer
    x = 1,238,348.86

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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.