Home / 3,879,584.25-5,354,244.89-2,137,431.66

Finding the Fourth Proportional to 3,879,584.25, 5,354,244.89 and 2,137,431.66

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Solution

The fourth proportional to 3,879,584.25, 5,354,244.89 and 2,137,431.66 is: 2,949,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,584.25 : 5,354,244.89 = 2,137,431.66 : x
  2. Step 2: Convert to fraction form
    3,879,584.25/5,354,244.89 = 2,137,431.66/x
  3. Step 3: Cross multiply
    3,879,584.25x = 5,354,244.89 × 2,137,431.66
  4. Step 4: Simplify right side
    3,879,584.25x = 11,444,332,550,646.64
  5. Step 5: Solve for x
    x = 11,444,332,550,646.64/3,879,584.25
  6. Step 6: Final answer
    x = 2,949,886.33

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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.