Home / 5,214,519-7,824,020.52-2,520,869.70

Finding the Fourth Proportional to 5,214,519, 7,824,020.52 and 2,520,869.70

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Solution

The fourth proportional to 5,214,519, 7,824,020.52 and 2,520,869.70 is: 3,782,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,519 : 7,824,020.52 = 2,520,869.70 : x
  2. Step 2: Convert to fraction form
    5,214,519/7,824,020.52 = 2,520,869.70/x
  3. Step 3: Cross multiply
    5,214,519x = 7,824,020.52 × 2,520,869.70
  4. Step 4: Simplify right side
    5,214,519x = 19,723,336,261,046.25
  5. Step 5: Solve for x
    x = 19,723,336,261,046.25/5,214,519
  6. Step 6: Final answer
    x = 3,782,388.42

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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.