Home / 2,138,532.96-2,951,175.42-1,171,699.86

Finding the Fourth Proportional to 2,138,532.96, 2,951,175.42 and 1,171,699.86

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Solution

The fourth proportional to 2,138,532.96, 2,951,175.42 and 1,171,699.86 is: 1,616,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,532.96 : 2,951,175.42 = 1,171,699.86 : x
  2. Step 2: Convert to fraction form
    2,138,532.96/2,951,175.42 = 1,171,699.86/x
  3. Step 3: Cross multiply
    2,138,532.96x = 2,951,175.42 × 1,171,699.86
  4. Step 4: Simplify right side
    2,138,532.96x = 3,457,891,826,449.44
  5. Step 5: Solve for x
    x = 3,457,891,826,449.44/2,138,532.96
  6. Step 6: Final answer
    x = 1,616,945.77

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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.