Home / 2,138,535.96-2,951,179.56-1,171,702.88

Finding the Fourth Proportional to 2,138,535.96, 2,951,179.56 and 1,171,702.88

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Solution

The fourth proportional to 2,138,535.96, 2,951,179.56 and 1,171,702.88 is: 1,616,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,535.96 : 2,951,179.56 = 1,171,702.88 : x
  2. Step 2: Convert to fraction form
    2,138,535.96/2,951,179.56 = 1,171,702.88/x
  3. Step 3: Cross multiply
    2,138,535.96x = 2,951,179.56 × 1,171,702.88
  4. Step 4: Simplify right side
    2,138,535.96x = 3,457,905,589,849.13
  5. Step 5: Solve for x
    x = 3,457,905,589,849.13/2,138,535.96
  6. Step 6: Final answer
    x = 1,616,949.94

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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.