Home / 2,189,981.54-3,022,083.07-1,259,618.51

Finding the Fourth Proportional to 2,189,981.54, 3,022,083.07 and 1,259,618.51

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Solution

The fourth proportional to 2,189,981.54, 3,022,083.07 and 1,259,618.51 is: 1,738,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,981.54 : 3,022,083.07 = 1,259,618.51 : x
  2. Step 2: Convert to fraction form
    2,189,981.54/3,022,083.07 = 1,259,618.51/x
  3. Step 3: Cross multiply
    2,189,981.54x = 3,022,083.07 × 1,259,618.51
  4. Step 4: Simplify right side
    2,189,981.54x = 3,806,671,778,135.79
  5. Step 5: Solve for x
    x = 3,806,671,778,135.79/2,189,981.54
  6. Step 6: Final answer
    x = 1,738,220.94

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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.