Home / 3,927,931.20-5,419,911.51-2,208,949.20

Finding the Fourth Proportional to 3,927,931.20, 5,419,911.51 and 2,208,949.20

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Solution

The fourth proportional to 3,927,931.20, 5,419,911.51 and 2,208,949.20 is: 3,047,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,931.20 : 5,419,911.51 = 2,208,949.20 : x
  2. Step 2: Convert to fraction form
    3,927,931.20/5,419,911.51 = 2,208,949.20/x
  3. Step 3: Cross multiply
    3,927,931.20x = 5,419,911.51 × 2,208,949.20
  4. Step 4: Simplify right side
    3,927,931.20x = 11,972,309,194,085.29
  5. Step 5: Solve for x
    x = 11,972,309,194,085.29/3,927,931.20
  6. Step 6: Final answer
    x = 3,047,993.61

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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.