Home / 2,731,917.56-4,097,162.21-812,311.79

Finding the Fourth Proportional to 2,731,917.56, 4,097,162.21 and 812,311.79

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Solution

The fourth proportional to 2,731,917.56, 4,097,162.21 and 812,311.79 is: 1,218,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,917.56 : 4,097,162.21 = 812,311.79 : x
  2. Step 2: Convert to fraction form
    2,731,917.56/4,097,162.21 = 812,311.79/x
  3. Step 3: Cross multiply
    2,731,917.56x = 4,097,162.21 × 812,311.79
  4. Step 4: Simplify right side
    2,731,917.56x = 3,328,173,144,178.09
  5. Step 5: Solve for x
    x = 3,328,173,144,178.09/2,731,917.56
  6. Step 6: Final answer
    x = 1,218,255.34

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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.