Home / 5,743,680-8,616,544.68-1,905,732.73

Finding the Fourth Proportional to 5,743,680, 8,616,544.68 and 1,905,732.73

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Solution

The fourth proportional to 5,743,680, 8,616,544.68 and 1,905,732.73 is: 2,858,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743,680 : 8,616,544.68 = 1,905,732.73 : x
  2. Step 2: Convert to fraction form
    5,743,680/8,616,544.68 = 1,905,732.73/x
  3. Step 3: Cross multiply
    5,743,680x = 8,616,544.68 × 1,905,732.73
  4. Step 4: Simplify right side
    5,743,680x = 16,420,831,216,183.38
  5. Step 5: Solve for x
    x = 16,420,831,216,183.38/5,743,680
  6. Step 6: Final answer
    x = 2,858,939.08

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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.