Home / 3,939,115.96-5,440,464.03-2,647,714.33

Finding the Fourth Proportional to 3,939,115.96, 5,440,464.03 and 2,647,714.33

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Solution

The fourth proportional to 3,939,115.96, 5,440,464.03 and 2,647,714.33 is: 3,656,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,115.96 : 5,440,464.03 = 2,647,714.33 : x
  2. Step 2: Convert to fraction form
    3,939,115.96/5,440,464.03 = 2,647,714.33/x
  3. Step 3: Cross multiply
    3,939,115.96x = 5,440,464.03 × 2,647,714.33
  4. Step 4: Simplify right side
    3,939,115.96x = 14,404,794,574,080.55
  5. Step 5: Solve for x
    x = 14,404,794,574,080.55/3,939,115.96
  6. Step 6: Final answer
    x = 3,656,859.74

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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.