Home / 2,100,297.46-3,150,293.90-820,664.32

Finding the Fourth Proportional to 2,100,297.46, 3,150,293.90 and 820,664.32

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Solution

The fourth proportional to 2,100,297.46, 3,150,293.90 and 820,664.32 is: 1,230,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,297.46 : 3,150,293.90 = 820,664.32 : x
  2. Step 2: Convert to fraction form
    2,100,297.46/3,150,293.90 = 820,664.32/x
  3. Step 3: Cross multiply
    2,100,297.46x = 3,150,293.90 × 820,664.32
  4. Step 4: Simplify right side
    2,100,297.46x = 2,585,333,801,243.65
  5. Step 5: Solve for x
    x = 2,585,333,801,243.65/2,100,297.46
  6. Step 6: Final answer
    x = 1,230,936.97

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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.