Home / 3,136,392.60-4,704,640.49-861,902.79

Finding the Fourth Proportional to 3,136,392.60, 4,704,640.49 and 861,902.79

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Solution

The fourth proportional to 3,136,392.60, 4,704,640.49 and 861,902.79 is: 1,292,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,392.60 : 4,704,640.49 = 861,902.79 : x
  2. Step 2: Convert to fraction form
    3,136,392.60/4,704,640.49 = 861,902.79/x
  3. Step 3: Cross multiply
    3,136,392.60x = 4,704,640.49 × 861,902.79
  4. Step 4: Simplify right side
    3,136,392.60x = 4,054,942,764,277.97
  5. Step 5: Solve for x
    x = 4,054,942,764,277.97/3,136,392.60
  6. Step 6: Final answer
    x = 1,292,868.36

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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.