Home / 3,880,536.88-5,355,306.48-2,161,658.56

Finding the Fourth Proportional to 3,880,536.88, 5,355,306.48 and 2,161,658.56

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Solution

The fourth proportional to 3,880,536.88, 5,355,306.48 and 2,161,658.56 is: 2,983,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,536.88 : 5,355,306.48 = 2,161,658.56 : x
  2. Step 2: Convert to fraction form
    3,880,536.88/5,355,306.48 = 2,161,658.56/x
  3. Step 3: Cross multiply
    3,880,536.88x = 5,355,306.48 × 2,161,658.56
  4. Step 4: Simplify right side
    3,880,536.88x = 11,576,344,093,915.47
  5. Step 5: Solve for x
    x = 11,576,344,093,915.47/3,880,536.88
  6. Step 6: Final answer
    x = 2,983,181.05

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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.