Home / 2,819,109.70-4,228,664.55-925,912.90

Finding the Fourth Proportional to 2,819,109.70, 4,228,664.55 and 925,912.90

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Solution

The fourth proportional to 2,819,109.70, 4,228,664.55 and 925,912.90 is: 1,388,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,109.70 : 4,228,664.55 = 925,912.90 : x
  2. Step 2: Convert to fraction form
    2,819,109.70/4,228,664.55 = 925,912.90/x
  3. Step 3: Cross multiply
    2,819,109.70x = 4,228,664.55 × 925,912.90
  4. Step 4: Simplify right side
    2,819,109.70x = 3,915,375,056,617.70
  5. Step 5: Solve for x
    x = 3,915,375,056,617.70/2,819,109.70
  6. Step 6: Final answer
    x = 1,388,869.35

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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.