Home / 3,995,431.82-5,515,195.28-2,618,864.22

Finding the Fourth Proportional to 3,995,431.82, 5,515,195.28 and 2,618,864.22

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Solution

The fourth proportional to 3,995,431.82, 5,515,195.28 and 2,618,864.22 is: 3,615,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995,431.82 : 5,515,195.28 = 2,618,864.22 : x
  2. Step 2: Convert to fraction form
    3,995,431.82/5,515,195.28 = 2,618,864.22/x
  3. Step 3: Cross multiply
    3,995,431.82x = 5,515,195.28 × 2,618,864.22
  4. Step 4: Simplify right side
    3,995,431.82x = 14,443,547,585,104.88
  5. Step 5: Solve for x
    x = 14,443,547,585,104.88/3,995,431.82
  6. Step 6: Final answer
    x = 3,615,015.41

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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.