Home / 2,108,585.61-3,162,850.07-511,162.47

Finding the Fourth Proportional to 2,108,585.61, 3,162,850.07 and 511,162.47

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Solution

The fourth proportional to 2,108,585.61, 3,162,850.07 and 511,162.47 is: 766,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,585.61 : 3,162,850.07 = 511,162.47 : x
  2. Step 2: Convert to fraction form
    2,108,585.61/3,162,850.07 = 511,162.47/x
  3. Step 3: Cross multiply
    2,108,585.61x = 3,162,850.07 × 511,162.47
  4. Step 4: Simplify right side
    2,108,585.61x = 1,616,730,251,465.06
  5. Step 5: Solve for x
    x = 1,616,730,251,465.06/2,108,585.61
  6. Step 6: Final answer
    x = 766,736.83

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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.