Home / 3,856,912.24-5,786,451.60-1,428,028.96

Finding the Fourth Proportional to 3,856,912.24, 5,786,451.60 and 1,428,028.96

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Solution

The fourth proportional to 3,856,912.24, 5,786,451.60 and 1,428,028.96 is: 2,142,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,912.24 : 5,786,451.60 = 1,428,028.96 : x
  2. Step 2: Convert to fraction form
    3,856,912.24/5,786,451.60 = 1,428,028.96/x
  3. Step 3: Cross multiply
    3,856,912.24x = 5,786,451.60 × 1,428,028.96
  4. Step 4: Simplify right side
    3,856,912.24x = 8,263,220,460,438.34
  5. Step 5: Solve for x
    x = 8,263,220,460,438.34/3,856,912.24
  6. Step 6: Final answer
    x = 2,142,444.51

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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.