Home / 2,138,515.96-2,951,151.94-1,171,682.88

Finding the Fourth Proportional to 2,138,515.96, 2,951,151.94 and 1,171,682.88

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Solution

The fourth proportional to 2,138,515.96, 2,951,151.94 and 1,171,682.88 is: 1,616,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,515.96 : 2,951,151.94 = 1,171,682.88 : x
  2. Step 2: Convert to fraction form
    2,138,515.96/2,951,151.94 = 1,171,682.88/x
  3. Step 3: Cross multiply
    2,138,515.96x = 2,951,151.94 × 1,171,682.88
  4. Step 4: Simplify right side
    2,138,515.96x = 3,457,814,204,376.79
  5. Step 5: Solve for x
    x = 3,457,814,204,376.79/2,138,515.96
  6. Step 6: Final answer
    x = 1,616,922.33

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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.