Home / 2,731,919.72-4,097,165.56-812,313.96

Finding the Fourth Proportional to 2,731,919.72, 4,097,165.56 and 812,313.96

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Solution

The fourth proportional to 2,731,919.72, 4,097,165.56 and 812,313.96 is: 1,218,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,919.72 : 4,097,165.56 = 812,313.96 : x
  2. Step 2: Convert to fraction form
    2,731,919.72/4,097,165.56 = 812,313.96/x
  3. Step 3: Cross multiply
    2,731,919.72x = 4,097,165.56 × 812,313.96
  4. Step 4: Simplify right side
    2,731,919.72x = 3,328,184,780,819.22
  5. Step 5: Solve for x
    x = 3,328,184,780,819.22/2,731,919.72
  6. Step 6: Final answer
    x = 1,218,258.63

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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.