Home / 3,455,111.90-5,175,729.12-1,720,757.12

Finding the Fourth Proportional to 3,455,111.90, 5,175,729.12 and 1,720,757.12

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Solution

The fourth proportional to 3,455,111.90, 5,175,729.12 and 1,720,757.12 is: 2,577,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,111.90 : 5,175,729.12 = 1,720,757.12 : x
  2. Step 2: Convert to fraction form
    3,455,111.90/5,175,729.12 = 1,720,757.12/x
  3. Step 3: Cross multiply
    3,455,111.90x = 5,175,729.12 × 1,720,757.12
  4. Step 4: Simplify right side
    3,455,111.90x = 8,906,172,734,431.34
  5. Step 5: Solve for x
    x = 8,906,172,734,431.34/3,455,111.90
  6. Step 6: Final answer
    x = 2,577,679.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.