Home / 2,138,528.96-2,951,169.88-1,171,695.92

Finding the Fourth Proportional to 2,138,528.96, 2,951,169.88 and 1,171,695.92

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Solution

The fourth proportional to 2,138,528.96, 2,951,169.88 and 1,171,695.92 is: 1,616,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,528.96 : 2,951,169.88 = 1,171,695.92 : x
  2. Step 2: Convert to fraction form
    2,138,528.96/2,951,169.88 = 1,171,695.92/x
  3. Step 3: Cross multiply
    2,138,528.96x = 2,951,169.88 × 1,171,695.92
  4. Step 4: Simplify right side
    2,138,528.96x = 3,457,873,707,622.89
  5. Step 5: Solve for x
    x = 3,457,873,707,622.89/2,138,528.96
  6. Step 6: Final answer
    x = 1,616,940.32

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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.