Home / 5,638,397.53-7,780,993.94-3,060,078.97

Finding the Fourth Proportional to 5,638,397.53, 7,780,993.94 and 3,060,078.97

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Solution

The fourth proportional to 5,638,397.53, 7,780,993.94 and 3,060,078.97 is: 4,222,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,397.53 : 7,780,993.94 = 3,060,078.97 : x
  2. Step 2: Convert to fraction form
    5,638,397.53/7,780,993.94 = 3,060,078.97/x
  3. Step 3: Cross multiply
    5,638,397.53x = 7,780,993.94 × 3,060,078.97
  4. Step 4: Simplify right side
    5,638,397.53x = 23,810,455,886,738.56
  5. Step 5: Solve for x
    x = 23,810,455,886,738.56/5,638,397.53
  6. Step 6: Final answer
    x = 4,222,911.88

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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.