Home / 3,678,672.09-5,516,399.43-1,855,915.53

Finding the Fourth Proportional to 3,678,672.09, 5,516,399.43 and 1,855,915.53

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Solution

The fourth proportional to 3,678,672.09, 5,516,399.43 and 1,855,915.53 is: 2,783,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,672.09 : 5,516,399.43 = 1,855,915.53 : x
  2. Step 2: Convert to fraction form
    3,678,672.09/5,516,399.43 = 1,855,915.53/x
  3. Step 3: Cross multiply
    3,678,672.09x = 5,516,399.43 × 1,855,915.53
  4. Step 4: Simplify right side
    3,678,672.09x = 10,237,971,351,133.65
  5. Step 5: Solve for x
    x = 10,237,971,351,133.65/3,678,672.09
  6. Step 6: Final answer
    x = 2,783,061.68

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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.