Home / 3,927,934.20-5,419,915.65-2,208,952.20

Finding the Fourth Proportional to 3,927,934.20, 5,419,915.65 and 2,208,952.20

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Solution

The fourth proportional to 3,927,934.20, 5,419,915.65 and 2,208,952.20 is: 3,047,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,934.20 : 5,419,915.65 = 2,208,952.20 : x
  2. Step 2: Convert to fraction form
    3,927,934.20/5,419,915.65 = 2,208,952.20/x
  3. Step 3: Cross multiply
    3,927,934.20x = 5,419,915.65 × 2,208,952.20
  4. Step 4: Simplify right side
    3,927,934.20x = 11,972,334,598,881.93
  5. Step 5: Solve for x
    x = 11,972,334,598,881.93/3,927,934.20
  6. Step 6: Final answer
    x = 3,047,997.75

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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.