Home / 3,111,163.72-4,290,132.21-2,456,703.97

Finding the Fourth Proportional to 3,111,163.72, 4,290,132.21 and 2,456,703.97

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Solution

The fourth proportional to 3,111,163.72, 4,290,132.21 and 2,456,703.97 is: 3,387,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,163.72 : 4,290,132.21 = 2,456,703.97 : x
  2. Step 2: Convert to fraction form
    3,111,163.72/4,290,132.21 = 2,456,703.97/x
  3. Step 3: Cross multiply
    3,111,163.72x = 4,290,132.21 × 2,456,703.97
  4. Step 4: Simplify right side
    3,111,163.72x = 10,539,584,832,131.88
  5. Step 5: Solve for x
    x = 10,539,584,832,131.88/3,111,163.72
  6. Step 6: Final answer
    x = 3,387,666.41

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Double scale
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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.