Home / 2,060,891.80-3,091,568.10-640,936.60

Finding the Fourth Proportional to 2,060,891.80, 3,091,568.10 and 640,936.60

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Solution

The fourth proportional to 2,060,891.80, 3,091,568.10 and 640,936.60 is: 961,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060,891.80 : 3,091,568.10 = 640,936.60 : x
  2. Step 2: Convert to fraction form
    2,060,891.80/3,091,568.10 = 640,936.60/x
  3. Step 3: Cross multiply
    2,060,891.80x = 3,091,568.10 × 640,936.60
  4. Step 4: Simplify right side
    2,060,891.80x = 1,981,499,146,682.46
  5. Step 5: Solve for x
    x = 1,981,499,146,682.46/2,060,891.80
  6. Step 6: Final answer
    x = 961,476.55

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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.