Home / 3,388,665.20-5,082,965.40-829,891.40

Finding the Fourth Proportional to 3,388,665.20, 5,082,965.40 and 829,891.40

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Solution

The fourth proportional to 3,388,665.20, 5,082,965.40 and 829,891.40 is: 1,244,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,665.20 : 5,082,965.40 = 829,891.40 : x
  2. Step 2: Convert to fraction form
    3,388,665.20/5,082,965.40 = 829,891.40/x
  3. Step 3: Cross multiply
    3,388,665.20x = 5,082,965.40 × 829,891.40
  4. Step 4: Simplify right side
    3,388,665.20x = 4,218,309,271,957.56
  5. Step 5: Solve for x
    x = 4,218,309,271,957.56/3,388,665.20
  6. Step 6: Final answer
    x = 1,244,829.17

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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.