Home / 2,138,422.68-2,951,022.60-1,171,587.24

Finding the Fourth Proportional to 2,138,422.68, 2,951,022.60 and 1,171,587.24

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Solution

The fourth proportional to 2,138,422.68, 2,951,022.60 and 1,171,587.24 is: 1,616,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,422.68 : 2,951,022.60 = 1,171,587.24 : x
  2. Step 2: Convert to fraction form
    2,138,422.68/2,951,022.60 = 1,171,587.24/x
  3. Step 3: Cross multiply
    2,138,422.68x = 2,951,022.60 × 1,171,587.24
  4. Step 4: Simplify right side
    2,138,422.68x = 3,457,380,423,111.62
  5. Step 5: Solve for x
    x = 3,457,380,423,111.62/2,138,422.68
  6. Step 6: Final answer
    x = 1,616,790.01

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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.