Home / 2,107,942.16-3,161,902.67-510,505.21

Finding the Fourth Proportional to 2,107,942.16, 3,161,902.67 and 510,505.21

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Solution

The fourth proportional to 2,107,942.16, 3,161,902.67 and 510,505.21 is: 765,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,942.16 : 3,161,902.67 = 510,505.21 : x
  2. Step 2: Convert to fraction form
    2,107,942.16/3,161,902.67 = 510,505.21/x
  3. Step 3: Cross multiply
    2,107,942.16x = 3,161,902.67 × 510,505.21
  4. Step 4: Simplify right side
    2,107,942.16x = 1,614,167,768,185.87
  5. Step 5: Solve for x
    x = 1,614,167,768,185.87/2,107,942.16
  6. Step 6: Final answer
    x = 765,755.25

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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.