Home / 3,669,821.90-5,504,732.85-1,272,869.90

Finding the Fourth Proportional to 3,669,821.90, 5,504,732.85 and 1,272,869.90

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Solution

The fourth proportional to 3,669,821.90, 5,504,732.85 and 1,272,869.90 is: 1,909,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,821.90 : 5,504,732.85 = 1,272,869.90 : x
  2. Step 2: Convert to fraction form
    3,669,821.90/5,504,732.85 = 1,272,869.90/x
  3. Step 3: Cross multiply
    3,669,821.90x = 5,504,732.85 × 1,272,869.90
  4. Step 4: Simplify right side
    3,669,821.90x = 7,006,808,752,306.21
  5. Step 5: Solve for x
    x = 7,006,808,752,306.21/3,669,821.90
  6. Step 6: Final answer
    x = 1,909,304.85

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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.