Home / 6,961,920.24-9,607,440.60-3,906,418.80

Finding the Fourth Proportional to 6,961,920.24, 9,607,440.60 and 3,906,418.80

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Solution

The fourth proportional to 6,961,920.24, 9,607,440.60 and 3,906,418.80 is: 5,390,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961,920.24 : 9,607,440.60 = 3,906,418.80 : x
  2. Step 2: Convert to fraction form
    6,961,920.24/9,607,440.60 = 3,906,418.80/x
  3. Step 3: Cross multiply
    6,961,920.24x = 9,607,440.60 × 3,906,418.80
  4. Step 4: Simplify right side
    6,961,920.24x = 37,530,686,579,723.27
  5. Step 5: Solve for x
    x = 37,530,686,579,723.27/6,961,920.24
  6. Step 6: Final answer
    x = 5,390,852.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.