Home / 5,707,039.56-8,561,678.22-2,112,834.12

Finding the Fourth Proportional to 5,707,039.56, 8,561,678.22 and 2,112,834.12

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Solution

The fourth proportional to 5,707,039.56, 8,561,678.22 and 2,112,834.12 is: 3,169,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707,039.56 : 8,561,678.22 = 2,112,834.12 : x
  2. Step 2: Convert to fraction form
    5,707,039.56/8,561,678.22 = 2,112,834.12/x
  3. Step 3: Cross multiply
    5,707,039.56x = 8,561,678.22 × 2,112,834.12
  4. Step 4: Simplify right side
    5,707,039.56x = 18,089,405,867,676.87
  5. Step 5: Solve for x
    x = 18,089,405,867,676.87/5,707,039.56
  6. Step 6: Final answer
    x = 3,169,665.41

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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.