Home / 3,540,939.20-5,304,410.40-1,940,638.40

Finding the Fourth Proportional to 3,540,939.20, 5,304,410.40 and 1,940,638.40

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Solution

The fourth proportional to 3,540,939.20, 5,304,410.40 and 1,940,638.40 is: 2,907,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,939.20 : 5,304,410.40 = 1,940,638.40 : x
  2. Step 2: Convert to fraction form
    3,540,939.20/5,304,410.40 = 1,940,638.40/x
  3. Step 3: Cross multiply
    3,540,939.20x = 5,304,410.40 × 1,940,638.40
  4. Step 4: Simplify right side
    3,540,939.20x = 10,293,942,511,599.36
  5. Step 5: Solve for x
    x = 10,293,942,511,599.36/3,540,939.20
  6. Step 6: Final answer
    x = 2,907,122.07

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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.