Home / 3,945,997.76-5,449,156.74-2,904,373.40

Finding the Fourth Proportional to 3,945,997.76, 5,449,156.74 and 2,904,373.40

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Solution

The fourth proportional to 3,945,997.76, 5,449,156.74 and 2,904,373.40 is: 4,010,743.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,997.76 : 5,449,156.74 = 2,904,373.40 : x
  2. Step 2: Convert to fraction form
    3,945,997.76/5,449,156.74 = 2,904,373.40/x
  3. Step 3: Cross multiply
    3,945,997.76x = 5,449,156.74 × 2,904,373.40
  4. Step 4: Simplify right side
    3,945,997.76x = 15,826,385,888,086.72
  5. Step 5: Solve for x
    x = 15,826,385,888,086.72/3,945,997.76
  6. Step 6: Final answer
    x = 4,010,743.76

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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.