Home / 2,126,148.72-3,190,717.44-1,922,872.56

Finding the Fourth Proportional to 2,126,148.72, 3,190,717.44 and 1,922,872.56

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Solution

The fourth proportional to 2,126,148.72, 3,190,717.44 and 1,922,872.56 is: 2,885,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,148.72 : 3,190,717.44 = 1,922,872.56 : x
  2. Step 2: Convert to fraction form
    2,126,148.72/3,190,717.44 = 1,922,872.56/x
  3. Step 3: Cross multiply
    2,126,148.72x = 3,190,717.44 × 1,922,872.56
  4. Step 4: Simplify right side
    2,126,148.72x = 6,135,343,012,089.45
  5. Step 5: Solve for x
    x = 6,135,343,012,089.45/2,126,148.72
  6. Step 6: Final answer
    x = 2,885,660.33

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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.