Home / 2,940,021.91-4,410,055.34-810,222.89

Finding the Fourth Proportional to 2,940,021.91, 4,410,055.34 and 810,222.89

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Solution

The fourth proportional to 2,940,021.91, 4,410,055.34 and 810,222.89 is: 1,215,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,021.91 : 4,410,055.34 = 810,222.89 : x
  2. Step 2: Convert to fraction form
    2,940,021.91/4,410,055.34 = 810,222.89/x
  3. Step 3: Cross multiply
    2,940,021.91x = 4,410,055.34 × 810,222.89
  4. Step 4: Simplify right side
    2,940,021.91x = 3,573,127,778,583.62
  5. Step 5: Solve for x
    x = 3,573,127,778,583.62/2,940,021.91
  6. Step 6: Final answer
    x = 1,215,340.53

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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.