Home / 1,979,661.62-2,731,297.83-1,108,367.96

Finding the Fourth Proportional to 1,979,661.62, 2,731,297.83 and 1,108,367.96

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Solution

The fourth proportional to 1,979,661.62, 2,731,297.83 and 1,108,367.96 is: 1,529,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,661.62 : 2,731,297.83 = 1,108,367.96 : x
  2. Step 2: Convert to fraction form
    1,979,661.62/2,731,297.83 = 1,108,367.96/x
  3. Step 3: Cross multiply
    1,979,661.62x = 2,731,297.83 × 1,108,367.96
  4. Step 4: Simplify right side
    1,979,661.62x = 3,027,282,986,176.66
  5. Step 5: Solve for x
    x = 3,027,282,986,176.66/1,979,661.62
  6. Step 6: Final answer
    x = 1,529,192.14

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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.