Home / 3,454,972.72-4,767,849.96-1,927,078.64

Finding the Fourth Proportional to 3,454,972.72, 4,767,849.96 and 1,927,078.64

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Solution

The fourth proportional to 3,454,972.72, 4,767,849.96 and 1,927,078.64 is: 2,659,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454,972.72 : 4,767,849.96 = 1,927,078.64 : x
  2. Step 2: Convert to fraction form
    3,454,972.72/4,767,849.96 = 1,927,078.64/x
  3. Step 3: Cross multiply
    3,454,972.72x = 4,767,849.96 × 1,927,078.64
  4. Step 4: Simplify right side
    3,454,972.72x = 9,188,021,816,640.85
  5. Step 5: Solve for x
    x = 9,188,021,816,640.85/3,454,972.72
  6. Step 6: Final answer
    x = 2,659,361.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.