Home / 3,928,260.48-5,420,946.06-2,209,380.54

Finding the Fourth Proportional to 3,928,260.48, 5,420,946.06 and 2,209,380.54

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Solution

The fourth proportional to 3,928,260.48, 5,420,946.06 and 2,209,380.54 is: 3,048,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,260.48 : 5,420,946.06 = 2,209,380.54 : x
  2. Step 2: Convert to fraction form
    3,928,260.48/5,420,946.06 = 2,209,380.54/x
  3. Step 3: Cross multiply
    3,928,260.48x = 5,420,946.06 × 2,209,380.54
  4. Step 4: Simplify right side
    3,928,260.48x = 11,976,932,733,353.67
  5. Step 5: Solve for x
    x = 11,976,932,733,353.67/3,928,260.48
  6. Step 6: Final answer
    x = 3,048,915.11

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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.