Home / 3,939,114.96-5,440,462.65-2,647,713.33

Finding the Fourth Proportional to 3,939,114.96, 5,440,462.65 and 2,647,713.33

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Solution

The fourth proportional to 3,939,114.96, 5,440,462.65 and 2,647,713.33 is: 3,656,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,114.96 : 5,440,462.65 = 2,647,713.33 : x
  2. Step 2: Convert to fraction form
    3,939,114.96/5,440,462.65 = 2,647,713.33/x
  3. Step 3: Cross multiply
    3,939,114.96x = 5,440,462.65 × 2,647,713.33
  4. Step 4: Simplify right side
    3,939,114.96x = 14,404,785,479,772.12
  5. Step 5: Solve for x
    x = 14,404,785,479,772.12/3,939,114.96
  6. Step 6: Final answer
    x = 3,656,858.36

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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.