Home / 1,951,956.66-2,923,670.72-811,260.38

Finding the Fourth Proportional to 1,951,956.66, 2,923,670.72 and 811,260.38

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Solution

The fourth proportional to 1,951,956.66, 2,923,670.72 and 811,260.38 is: 1,215,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,956.66 : 2,923,670.72 = 811,260.38 : x
  2. Step 2: Convert to fraction form
    1,951,956.66/2,923,670.72 = 811,260.38/x
  3. Step 3: Cross multiply
    1,951,956.66x = 2,923,670.72 × 811,260.38
  4. Step 4: Simplify right side
    1,951,956.66x = 2,371,858,219,302.07
  5. Step 5: Solve for x
    x = 2,371,858,219,302.07/1,951,956.66
  6. Step 6: Final answer
    x = 1,215,118.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.