Home / 3,391,405.56-4,680,138.60-1,863,611.10

Finding the Fourth Proportional to 3,391,405.56, 4,680,138.60 and 1,863,611.10

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Solution

The fourth proportional to 3,391,405.56, 4,680,138.60 and 1,863,611.10 is: 2,571,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,405.56 : 4,680,138.60 = 1,863,611.10 : x
  2. Step 2: Convert to fraction form
    3,391,405.56/4,680,138.60 = 1,863,611.10/x
  3. Step 3: Cross multiply
    3,391,405.56x = 4,680,138.60 × 1,863,611.10
  4. Step 4: Simplify right side
    3,391,405.56x = 8,721,958,244,498.46
  5. Step 5: Solve for x
    x = 8,721,958,244,498.46/3,391,405.56
  6. Step 6: Final answer
    x = 2,571,782.73

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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.