Home / 2,107,800-3,161,747.52-760,072.32

Finding the Fourth Proportional to 2,107,800, 3,161,747.52 and 760,072.32

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Solution

The fourth proportional to 2,107,800, 3,161,747.52 and 760,072.32 is: 1,140,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,800 : 3,161,747.52 = 760,072.32 : x
  2. Step 2: Convert to fraction form
    2,107,800/3,161,747.52 = 760,072.32/x
  3. Step 3: Cross multiply
    2,107,800x = 3,161,747.52 × 760,072.32
  4. Step 4: Simplify right side
    2,107,800x = 2,403,156,772,780.65
  5. Step 5: Solve for x
    x = 2,403,156,772,780.65/2,107,800
  6. Step 6: Final answer
    x = 1,140,125.62

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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.