Home / 2,011,982.80-3,017,974.20-664,353.40

Finding the Fourth Proportional to 2,011,982.80, 3,017,974.20 and 664,353.40

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Solution

The fourth proportional to 2,011,982.80, 3,017,974.20 and 664,353.40 is: 996,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,982.80 : 3,017,974.20 = 664,353.40 : x
  2. Step 2: Convert to fraction form
    2,011,982.80/3,017,974.20 = 664,353.40/x
  3. Step 3: Cross multiply
    2,011,982.80x = 3,017,974.20 × 664,353.40
  4. Step 4: Simplify right side
    2,011,982.80x = 2,005,001,420,882.28
  5. Step 5: Solve for x
    x = 2,005,001,420,882.28/2,011,982.80
  6. Step 6: Final answer
    x = 996,530.10

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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.