Home / 3,732,868.87-5,148,608.78-2,815,136.71

Finding the Fourth Proportional to 3,732,868.87, 5,148,608.78 and 2,815,136.71

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Solution

The fourth proportional to 3,732,868.87, 5,148,608.78 and 2,815,136.71 is: 3,882,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732,868.87 : 5,148,608.78 = 2,815,136.71 : x
  2. Step 2: Convert to fraction form
    3,732,868.87/5,148,608.78 = 2,815,136.71/x
  3. Step 3: Cross multiply
    3,732,868.87x = 5,148,608.78 × 2,815,136.71
  4. Step 4: Simplify right side
    3,732,868.87x = 14,494,037,576,172.63
  5. Step 5: Solve for x
    x = 14,494,037,576,172.63/3,732,868.87
  6. Step 6: Final answer
    x = 3,882,814.56

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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.