Home / 3,927,155.73-5,419,507.29-2,208,261.21

Finding the Fourth Proportional to 3,927,155.73, 5,419,507.29 and 2,208,261.21

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Solution

The fourth proportional to 3,927,155.73, 5,419,507.29 and 2,208,261.21 is: 3,047,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,155.73 : 5,419,507.29 = 2,208,261.21 : x
  2. Step 2: Convert to fraction form
    3,927,155.73/5,419,507.29 = 2,208,261.21/x
  3. Step 3: Cross multiply
    3,927,155.73x = 5,419,507.29 × 2,208,261.21
  4. Step 4: Simplify right side
    3,927,155.73x = 11,967,687,725,819.22
  5. Step 5: Solve for x
    x = 11,967,687,725,819.22/3,927,155.73
  6. Step 6: Final answer
    x = 3,047,418.68

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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.