Home / 3,942,865.28-5,441,150.40-2,132,024.96

Finding the Fourth Proportional to 3,942,865.28, 5,441,150.40 and 2,132,024.96

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Solution

The fourth proportional to 3,942,865.28, 5,441,150.40 and 2,132,024.96 is: 2,942,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,865.28 : 5,441,150.40 = 2,132,024.96 : x
  2. Step 2: Convert to fraction form
    3,942,865.28/5,441,150.40 = 2,132,024.96/x
  3. Step 3: Cross multiply
    3,942,865.28x = 5,441,150.40 × 2,132,024.96
  4. Step 4: Simplify right side
    3,942,865.28x = 11,600,668,463,913.98
  5. Step 5: Solve for x
    x = 11,600,668,463,913.98/3,942,865.28
  6. Step 6: Final answer
    x = 2,942,192.45

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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.