Home / 3,388,664.70-5,082,964.65-829,890.90

Finding the Fourth Proportional to 3,388,664.70, 5,082,964.65 and 829,890.90

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Solution

The fourth proportional to 3,388,664.70, 5,082,964.65 and 829,890.90 is: 1,244,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,664.70 : 5,082,964.65 = 829,890.90 : x
  2. Step 2: Convert to fraction form
    3,388,664.70/5,082,964.65 = 829,890.90/x
  3. Step 3: Cross multiply
    3,388,664.70x = 5,082,964.65 × 829,890.90
  4. Step 4: Simplify right side
    3,388,664.70x = 4,218,306,108,056.69
  5. Step 5: Solve for x
    x = 4,218,306,108,056.69/3,388,664.70
  6. Step 6: Final answer
    x = 1,244,828.42

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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.