Home / 3,949,686-5,450,566.68-2,138,850

Finding the Fourth Proportional to 3,949,686, 5,450,566.68 and 2,138,850

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Solution

The fourth proportional to 3,949,686, 5,450,566.68 and 2,138,850 is: 2,951,613

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,686 : 5,450,566.68 = 2,138,850 : x
  2. Step 2: Convert to fraction form
    3,949,686/5,450,566.68 = 2,138,850/x
  3. Step 3: Cross multiply
    3,949,686x = 5,450,566.68 × 2,138,850
  4. Step 4: Simplify right side
    3,949,686x = 11,657,944,543,518
  5. Step 5: Solve for x
    x = 11,657,944,543,518/3,949,686
  6. Step 6: Final answer
    x = 2,951,613

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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.