Home / 3,986,906.09-5,501,575.54-2,220,669.19

Finding the Fourth Proportional to 3,986,906.09, 5,501,575.54 and 2,220,669.19

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Solution

The fourth proportional to 3,986,906.09, 5,501,575.54 and 2,220,669.19 is: 3,064,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,906.09 : 5,501,575.54 = 2,220,669.19 : x
  2. Step 2: Convert to fraction form
    3,986,906.09/5,501,575.54 = 2,220,669.19/x
  3. Step 3: Cross multiply
    3,986,906.09x = 5,501,575.54 × 2,220,669.19
  4. Step 4: Simplify right side
    3,986,906.09x = 12,217,179,265,076.06
  5. Step 5: Solve for x
    x = 12,217,179,265,076.06/3,986,906.09
  6. Step 6: Final answer
    x = 3,064,325.82

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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.