Home / 3,321,818.20-4,982,730.54-925,669.72

Finding the Fourth Proportional to 3,321,818.20, 4,982,730.54 and 925,669.72

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Solution

The fourth proportional to 3,321,818.20, 4,982,730.54 and 925,669.72 is: 1,388,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,818.20 : 4,982,730.54 = 925,669.72 : x
  2. Step 2: Convert to fraction form
    3,321,818.20/4,982,730.54 = 925,669.72/x
  3. Step 3: Cross multiply
    3,321,818.20x = 4,982,730.54 × 925,669.72
  4. Step 4: Simplify right side
    3,321,818.20x = 4,612,362,783,797.25
  5. Step 5: Solve for x
    x = 4,612,362,783,797.25/3,321,818.20
  6. Step 6: Final answer
    x = 1,388,505.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.