Home / 3,907,015.13-5,391,243.03-2,164,248.44

Finding the Fourth Proportional to 3,907,015.13, 5,391,243.03 and 2,164,248.44

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Solution

The fourth proportional to 3,907,015.13, 5,391,243.03 and 2,164,248.44 is: 2,986,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,015.13 : 5,391,243.03 = 2,164,248.44 : x
  2. Step 2: Convert to fraction form
    3,907,015.13/5,391,243.03 = 2,164,248.44/x
  3. Step 3: Cross multiply
    3,907,015.13x = 5,391,243.03 × 2,164,248.44
  4. Step 4: Simplify right side
    3,907,015.13x = 11,667,989,327,791.17
  5. Step 5: Solve for x
    x = 11,667,989,327,791.17/3,907,015.13
  6. Step 6: Final answer
    x = 2,986,420.31

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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.