Home / 2,809,218.62-3,879,341.38-2,067,671.57

Finding the Fourth Proportional to 2,809,218.62, 3,879,341.38 and 2,067,671.57

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Solution

The fourth proportional to 2,809,218.62, 3,879,341.38 and 2,067,671.57 is: 2,855,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,218.62 : 3,879,341.38 = 2,067,671.57 : x
  2. Step 2: Convert to fraction form
    2,809,218.62/3,879,341.38 = 2,067,671.57/x
  3. Step 3: Cross multiply
    2,809,218.62x = 3,879,341.38 × 2,067,671.57
  4. Step 4: Simplify right side
    2,809,218.62x = 8,021,203,886,919.75
  5. Step 5: Solve for x
    x = 8,021,203,886,919.75/2,809,218.62
  6. Step 6: Final answer
    x = 2,855,314.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.