Home / 2,121,092.73-3,181,645.64-523,656

Finding the Fourth Proportional to 2,121,092.73, 3,181,645.64 and 523,656

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Solution

The fourth proportional to 2,121,092.73, 3,181,645.64 and 523,656 is: 785,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,092.73 : 3,181,645.64 = 523,656 : x
  2. Step 2: Convert to fraction form
    2,121,092.73/3,181,645.64 = 523,656/x
  3. Step 3: Cross multiply
    2,121,092.73x = 3,181,645.64 × 523,656
  4. Step 4: Simplify right side
    2,121,092.73x = 1,666,087,826,641.56
  5. Step 5: Solve for x
    x = 1,666,087,826,641.56/2,121,092.73
  6. Step 6: Final answer
    x = 785,485.61

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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.