Home / 2,885,113.62-3,981,109.88-1,661,817

Finding the Fourth Proportional to 2,885,113.62, 3,981,109.88 and 1,661,817

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Solution

The fourth proportional to 2,885,113.62, 3,981,109.88 and 1,661,817 is: 2,293,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,113.62 : 3,981,109.88 = 1,661,817 : x
  2. Step 2: Convert to fraction form
    2,885,113.62/3,981,109.88 = 1,661,817/x
  3. Step 3: Cross multiply
    2,885,113.62x = 3,981,109.88 × 1,661,817
  4. Step 4: Simplify right side
    2,885,113.62x = 6,615,876,077,451.96
  5. Step 5: Solve for x
    x = 6,615,876,077,451.96/2,885,113.62
  6. Step 6: Final answer
    x = 2,293,107.64

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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.