Home / 3,939,102.60-5,440,445.60-2,647,700.97

Finding the Fourth Proportional to 3,939,102.60, 5,440,445.60 and 2,647,700.97

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Solution

The fourth proportional to 3,939,102.60, 5,440,445.60 and 2,647,700.97 is: 3,656,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,102.60 : 5,440,445.60 = 2,647,700.97 : x
  2. Step 2: Convert to fraction form
    3,939,102.60/5,440,445.60 = 2,647,700.97/x
  3. Step 3: Cross multiply
    3,939,102.60x = 5,440,445.60 × 2,647,700.97
  4. Step 4: Simplify right side
    3,939,102.60x = 14,404,673,092,352.23
  5. Step 5: Solve for x
    x = 14,404,673,092,352.23/3,939,102.60
  6. Step 6: Final answer
    x = 3,656,841.31

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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.