Home / 3,858,460.28-5,324,947.98-2,139,745.40

Finding the Fourth Proportional to 3,858,460.28, 5,324,947.98 and 2,139,745.40

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Solution

The fourth proportional to 3,858,460.28, 5,324,947.98 and 2,139,745.40 is: 2,952,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,460.28 : 5,324,947.98 = 2,139,745.40 : x
  2. Step 2: Convert to fraction form
    3,858,460.28/5,324,947.98 = 2,139,745.40/x
  3. Step 3: Cross multiply
    3,858,460.28x = 5,324,947.98 × 2,139,745.40
  4. Step 4: Simplify right side
    3,858,460.28x = 11,394,032,945,444.29
  5. Step 5: Solve for x
    x = 11,394,032,945,444.29/3,858,460.28
  6. Step 6: Final answer
    x = 2,952,999.93

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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.