Home / 5,214,138.24-7,823,367.90-2,815,162.86

Finding the Fourth Proportional to 5,214,138.24, 7,823,367.90 and 2,815,162.86

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Solution

The fourth proportional to 5,214,138.24, 7,823,367.90 and 2,815,162.86 is: 4,223,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,138.24 : 7,823,367.90 = 2,815,162.86 : x
  2. Step 2: Convert to fraction form
    5,214,138.24/7,823,367.90 = 2,815,162.86/x
  3. Step 3: Cross multiply
    5,214,138.24x = 7,823,367.90 × 2,815,162.86
  4. Step 4: Simplify right side
    5,214,138.24x = 22,024,054,752,196.20
  5. Step 5: Solve for x
    x = 22,024,054,752,196.20/5,214,138.24
  6. Step 6: Final answer
    x = 4,223,910.79

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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.