Home / 3,401,175.89-5,101,732.11-1,378,939.11

Finding the Fourth Proportional to 3,401,175.89, 5,101,732.11 and 1,378,939.11

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Solution

The fourth proportional to 3,401,175.89, 5,101,732.11 and 1,378,939.11 is: 2,068,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401,175.89 : 5,101,732.11 = 1,378,939.11 : x
  2. Step 2: Convert to fraction form
    3,401,175.89/5,101,732.11 = 1,378,939.11/x
  3. Step 3: Cross multiply
    3,401,175.89x = 5,101,732.11 × 1,378,939.11
  4. Step 4: Simplify right side
    3,401,175.89x = 7,034,977,921,261.35
  5. Step 5: Solve for x
    x = 7,034,977,921,261.35/3,401,175.89
  6. Step 6: Final answer
    x = 2,068,395.80

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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.