Home / 5,213,181.78-7,194,121.39-2,921,387.22

Finding the Fourth Proportional to 5,213,181.78, 7,194,121.39 and 2,921,387.22

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Solution

The fourth proportional to 5,213,181.78, 7,194,121.39 and 2,921,387.22 is: 4,031,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,181.78 : 7,194,121.39 = 2,921,387.22 : x
  2. Step 2: Convert to fraction form
    5,213,181.78/7,194,121.39 = 2,921,387.22/x
  3. Step 3: Cross multiply
    5,213,181.78x = 7,194,121.39 × 2,921,387.22
  4. Step 4: Simplify right side
    5,213,181.78x = 21,016,814,280,571.17
  5. Step 5: Solve for x
    x = 21,016,814,280,571.17/5,213,181.78
  6. Step 6: Final answer
    x = 4,031,475.43

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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.