Home / 3,959,616.20-5,464,270.35-2,148,780.20

Finding the Fourth Proportional to 3,959,616.20, 5,464,270.35 and 2,148,780.20

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Solution

The fourth proportional to 3,959,616.20, 5,464,270.35 and 2,148,780.20 is: 2,965,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,616.20 : 5,464,270.35 = 2,148,780.20 : x
  2. Step 2: Convert to fraction form
    3,959,616.20/5,464,270.35 = 2,148,780.20/x
  3. Step 3: Cross multiply
    3,959,616.20x = 5,464,270.35 × 2,148,780.20
  4. Step 4: Simplify right side
    3,959,616.20x = 11,741,515,908,205.72
  5. Step 5: Solve for x
    x = 11,741,515,908,205.72/3,959,616.20
  6. Step 6: Final answer
    x = 2,965,316.67

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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.