Home / 2,108,834.39-3,163,250.57-511,397.21

Finding the Fourth Proportional to 2,108,834.39, 3,163,250.57 and 511,397.21

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Solution

The fourth proportional to 2,108,834.39, 3,163,250.57 and 511,397.21 is: 767,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,834.39 : 3,163,250.57 = 511,397.21 : x
  2. Step 2: Convert to fraction form
    2,108,834.39/3,163,250.57 = 511,397.21/x
  3. Step 3: Cross multiply
    2,108,834.39x = 3,163,250.57 × 511,397.21
  4. Step 4: Simplify right side
    2,108,834.39x = 1,617,677,497,655.67
  5. Step 5: Solve for x
    x = 1,617,677,497,655.67/2,108,834.39
  6. Step 6: Final answer
    x = 767,095.56

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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.