Home / 2,640,953.46-3,961,998.81-819,281.48

Finding the Fourth Proportional to 2,640,953.46, 3,961,998.81 and 819,281.48

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Solution

The fourth proportional to 2,640,953.46, 3,961,998.81 and 819,281.48 is: 1,229,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,953.46 : 3,961,998.81 = 819,281.48 : x
  2. Step 2: Convert to fraction form
    2,640,953.46/3,961,998.81 = 819,281.48/x
  3. Step 3: Cross multiply
    2,640,953.46x = 3,961,998.81 × 819,281.48
  4. Step 4: Simplify right side
    2,640,953.46x = 3,245,992,258,720.04
  5. Step 5: Solve for x
    x = 3,245,992,258,720.04/2,640,953.46
  6. Step 6: Final answer
    x = 1,229,098.62

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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.