Home / 2,138,523.96-2,951,162.98-1,171,690.88

Finding the Fourth Proportional to 2,138,523.96, 2,951,162.98 and 1,171,690.88

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Solution

The fourth proportional to 2,138,523.96, 2,951,162.98 and 1,171,690.88 is: 1,616,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,523.96 : 2,951,162.98 = 1,171,690.88 : x
  2. Step 2: Convert to fraction form
    2,138,523.96/2,951,162.98 = 1,171,690.88/x
  3. Step 3: Cross multiply
    2,138,523.96x = 2,951,162.98 × 1,171,690.88
  4. Step 4: Simplify right side
    2,138,523.96x = 3,457,850,749,059.62
  5. Step 5: Solve for x
    x = 3,457,850,749,059.62/2,138,523.96
  6. Step 6: Final answer
    x = 1,616,933.37

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1.5x scale

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.