Home / 3,783,920.68-5,221,932.66-2,152,286.20

Finding the Fourth Proportional to 3,783,920.68, 5,221,932.66 and 2,152,286.20

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Solution

The fourth proportional to 3,783,920.68, 5,221,932.66 and 2,152,286.20 is: 2,970,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,920.68 : 5,221,932.66 = 2,152,286.20 : x
  2. Step 2: Convert to fraction form
    3,783,920.68/5,221,932.66 = 2,152,286.20/x
  3. Step 3: Cross multiply
    3,783,920.68x = 5,221,932.66 × 2,152,286.20
  4. Step 4: Simplify right side
    3,783,920.68x = 11,239,093,601,447.29
  5. Step 5: Solve for x
    x = 11,239,093,601,447.29/3,783,920.68
  6. Step 6: Final answer
    x = 2,970,224.42

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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.