Home / 3,390,915.20-5,086,375.20-866,573.12

Finding the Fourth Proportional to 3,390,915.20, 5,086,375.20 and 866,573.12

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Solution

The fourth proportional to 3,390,915.20, 5,086,375.20 and 866,573.12 is: 1,299,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,915.20 : 5,086,375.20 = 866,573.12 : x
  2. Step 2: Convert to fraction form
    3,390,915.20/5,086,375.20 = 866,573.12/x
  3. Step 3: Cross multiply
    3,390,915.20x = 5,086,375.20 × 866,573.12
  4. Step 4: Simplify right side
    3,390,915.20x = 4,407,716,026,554.62
  5. Step 5: Solve for x
    x = 4,407,716,026,554.62/3,390,915.20
  6. Step 6: Final answer
    x = 1,299,860.29

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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.