Home / 2,105,993.43-3,158,999.36-666,683.87

Finding the Fourth Proportional to 2,105,993.43, 3,158,999.36 and 666,683.87

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Solution

The fourth proportional to 2,105,993.43, 3,158,999.36 and 666,683.87 is: 1,000,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,993.43 : 3,158,999.36 = 666,683.87 : x
  2. Step 2: Convert to fraction form
    2,105,993.43/3,158,999.36 = 666,683.87/x
  3. Step 3: Cross multiply
    2,105,993.43x = 3,158,999.36 × 666,683.87
  4. Step 4: Simplify right side
    2,105,993.43x = 2,106,053,899,523.91
  5. Step 5: Solve for x
    x = 2,106,053,899,523.91/2,105,993.43
  6. Step 6: Final answer
    x = 1,000,028.71

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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.