Home / 3,861,705.66-5,329,404.09-2,142,830.58

Finding the Fourth Proportional to 3,861,705.66, 5,329,404.09 and 2,142,830.58

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Solution

The fourth proportional to 3,861,705.66, 5,329,404.09 and 2,142,830.58 is: 2,957,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,705.66 : 5,329,404.09 = 2,142,830.58 : x
  2. Step 2: Convert to fraction form
    3,861,705.66/5,329,404.09 = 2,142,830.58/x
  3. Step 3: Cross multiply
    3,861,705.66x = 5,329,404.09 × 2,142,830.58
  4. Step 4: Simplify right side
    3,861,705.66x = 11,420,010,057,229.07
  5. Step 5: Solve for x
    x = 11,420,010,057,229.07/3,861,705.66
  6. Step 6: Final answer
    x = 2,957,245.08

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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.