Home / 2,111,249.56-3,166,874.67-513,812.65

Finding the Fourth Proportional to 2,111,249.56, 3,166,874.67 and 513,812.65

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Solution

The fourth proportional to 2,111,249.56, 3,166,874.67 and 513,812.65 is: 770,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,249.56 : 3,166,874.67 = 513,812.65 : x
  2. Step 2: Convert to fraction form
    2,111,249.56/3,166,874.67 = 513,812.65/x
  3. Step 3: Cross multiply
    2,111,249.56x = 3,166,874.67 × 513,812.65
  4. Step 4: Simplify right side
    2,111,249.56x = 1,627,180,266,410.58
  5. Step 5: Solve for x
    x = 1,627,180,266,410.58/2,111,249.56
  6. Step 6: Final answer
    x = 770,719.06

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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.