Home / 3,345,593.84-5,018,489.13-821,249

Finding the Fourth Proportional to 3,345,593.84, 5,018,489.13 and 821,249

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Solution

The fourth proportional to 3,345,593.84, 5,018,489.13 and 821,249 is: 1,231,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345,593.84 : 5,018,489.13 = 821,249 : x
  2. Step 2: Convert to fraction form
    3,345,593.84/5,018,489.13 = 821,249/x
  3. Step 3: Cross multiply
    3,345,593.84x = 5,018,489.13 × 821,249
  4. Step 4: Simplify right side
    3,345,593.84x = 4,121,429,179,523.37
  5. Step 5: Solve for x
    x = 4,121,429,179,523.37/3,345,593.84
  6. Step 6: Final answer
    x = 1,231,897.65

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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.