Home / 2,170,206.25-2,992,754.71-1,998,570.49

Finding the Fourth Proportional to 2,170,206.25, 2,992,754.71 and 1,998,570.49

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Solution

The fourth proportional to 2,170,206.25, 2,992,754.71 and 1,998,570.49 is: 2,756,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,206.25 : 2,992,754.71 = 1,998,570.49 : x
  2. Step 2: Convert to fraction form
    2,170,206.25/2,992,754.71 = 1,998,570.49/x
  3. Step 3: Cross multiply
    2,170,206.25x = 2,992,754.71 × 1,998,570.49
  4. Step 4: Simplify right side
    2,170,206.25x = 5,981,231,247,214.51
  5. Step 5: Solve for x
    x = 5,981,231,247,214.51/2,170,206.25
  6. Step 6: Final answer
    x = 2,756,065.81

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1.5x scale

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.