Home / 2,003,990.25-3,005,991.42-487,673.43

Finding the Fourth Proportional to 2,003,990.25, 3,005,991.42 and 487,673.43

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Solution

The fourth proportional to 2,003,990.25, 3,005,991.42 and 487,673.43 is: 731,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003,990.25 : 3,005,991.42 = 487,673.43 : x
  2. Step 2: Convert to fraction form
    2,003,990.25/3,005,991.42 = 487,673.43/x
  3. Step 3: Cross multiply
    2,003,990.25x = 3,005,991.42 × 487,673.43
  4. Step 4: Simplify right side
    2,003,990.25x = 1,465,942,146,341.97
  5. Step 5: Solve for x
    x = 1,465,942,146,341.97/2,003,990.25
  6. Step 6: Final answer
    x = 731,511.62

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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.