Home / 2,815,005.62-4,222,508.84-685,089.77

Finding the Fourth Proportional to 2,815,005.62, 4,222,508.84 and 685,089.77

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Solution

The fourth proportional to 2,815,005.62, 4,222,508.84 and 685,089.77 is: 1,027,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,005.62 : 4,222,508.84 = 685,089.77 : x
  2. Step 2: Convert to fraction form
    2,815,005.62/4,222,508.84 = 685,089.77/x
  3. Step 3: Cross multiply
    2,815,005.62x = 4,222,508.84 × 685,089.77
  4. Step 4: Simplify right side
    2,815,005.62x = 2,892,797,585,480.57
  5. Step 5: Solve for x
    x = 2,892,797,585,480.57/2,815,005.62
  6. Step 6: Final answer
    x = 1,027,634.75

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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.