Home / 2,138,449.43-2,951,063.96-1,171,558.91

Finding the Fourth Proportional to 2,138,449.43, 2,951,063.96 and 1,171,558.91

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Solution

The fourth proportional to 2,138,449.43, 2,951,063.96 and 1,171,558.91 is: 1,616,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,449.43 : 2,951,063.96 = 1,171,558.91 : x
  2. Step 2: Convert to fraction form
    2,138,449.43/2,951,063.96 = 1,171,558.91/x
  3. Step 3: Cross multiply
    2,138,449.43x = 2,951,063.96 × 1,171,558.91
  4. Step 4: Simplify right side
    2,138,449.43x = 3,457,345,255,704.77
  5. Step 5: Solve for x
    x = 3,457,345,255,704.77/2,138,449.43
  6. Step 6: Final answer
    x = 1,616,753.34

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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.