Home / 1,999,661.73-2,999,942.79-633,517.82

Finding the Fourth Proportional to 1,999,661.73, 2,999,942.79 and 633,517.82

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Solution

The fourth proportional to 1,999,661.73, 2,999,942.79 and 633,517.82 is: 950,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,661.73 : 2,999,942.79 = 633,517.82 : x
  2. Step 2: Convert to fraction form
    1,999,661.73/2,999,942.79 = 633,517.82/x
  3. Step 3: Cross multiply
    1,999,661.73x = 2,999,942.79 × 633,517.82
  4. Step 4: Simplify right side
    1,999,661.73x = 1,900,517,201,445.80
  5. Step 5: Solve for x
    x = 1,900,517,201,445.80/1,999,661.73
  6. Step 6: Final answer
    x = 950,419.35

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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.