Home / 3,945,996.76-5,449,155.36-2,904,372.40

Finding the Fourth Proportional to 3,945,996.76, 5,449,155.36 and 2,904,372.40

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Solution

The fourth proportional to 3,945,996.76, 5,449,155.36 and 2,904,372.40 is: 4,010,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,996.76 : 5,449,155.36 = 2,904,372.40 : x
  2. Step 2: Convert to fraction form
    3,945,996.76/5,449,155.36 = 2,904,372.40/x
  3. Step 3: Cross multiply
    3,945,996.76x = 5,449,155.36 × 2,904,372.40
  4. Step 4: Simplify right side
    3,945,996.76x = 15,826,376,430,896.06
  5. Step 5: Solve for x
    x = 15,826,376,430,896.06/3,945,996.76
  6. Step 6: Final answer
    x = 4,010,742.38

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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.