Home / 3,927,172.82-5,419,530.78-2,208,278.30

Finding the Fourth Proportional to 3,927,172.82, 5,419,530.78 and 2,208,278.30

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Solution

The fourth proportional to 3,927,172.82, 5,419,530.78 and 2,208,278.30 is: 3,047,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,172.82 : 5,419,530.78 = 2,208,278.30 : x
  2. Step 2: Convert to fraction form
    3,927,172.82/5,419,530.78 = 2,208,278.30/x
  3. Step 3: Cross multiply
    3,927,172.82x = 5,419,530.78 × 2,208,278.30
  4. Step 4: Simplify right side
    3,927,172.82x = 11,967,832,217,656.07
  5. Step 5: Solve for x
    x = 11,967,832,217,656.07/3,927,172.82
  6. Step 6: Final answer
    x = 3,047,442.21

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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.