Home / 3,879,217.32-5,352,936.42-2,160,497.64

Finding the Fourth Proportional to 3,879,217.32, 5,352,936.42 and 2,160,497.64

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Solution

The fourth proportional to 3,879,217.32, 5,352,936.42 and 2,160,497.64 is: 2,981,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,217.32 : 5,352,936.42 = 2,160,497.64 : x
  2. Step 2: Convert to fraction form
    3,879,217.32/5,352,936.42 = 2,160,497.64/x
  3. Step 3: Cross multiply
    3,879,217.32x = 5,352,936.42 × 2,160,497.64
  4. Step 4: Simplify right side
    3,879,217.32x = 11,565,006,502,480.05
  5. Step 5: Solve for x
    x = 11,565,006,502,480.05/3,879,217.32
  6. Step 6: Final answer
    x = 2,981,273.17

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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.