Home / 2,138,825.44-2,951,579.82-1,171,947.88

Finding the Fourth Proportional to 2,138,825.44, 2,951,579.82 and 1,171,947.88

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Solution

The fourth proportional to 2,138,825.44, 2,951,579.82 and 1,171,947.88 is: 1,617,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,825.44 : 2,951,579.82 = 1,171,947.88 : x
  2. Step 2: Convert to fraction form
    2,138,825.44/2,951,579.82 = 1,171,947.88/x
  3. Step 3: Cross multiply
    2,138,825.44x = 2,951,579.82 × 1,171,947.88
  4. Step 4: Simplify right side
    2,138,825.44x = 3,459,097,712,699.78
  5. Step 5: Solve for x
    x = 3,459,097,712,699.78/2,138,825.44
  6. Step 6: Final answer
    x = 1,617,288.46

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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.