Home / 3,670,420.70-5,503,006.65-1,647,008.30

Finding the Fourth Proportional to 3,670,420.70, 5,503,006.65 and 1,647,008.30

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Solution

The fourth proportional to 3,670,420.70, 5,503,006.65 and 1,647,008.30 is: 2,469,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,420.70 : 5,503,006.65 = 1,647,008.30 : x
  2. Step 2: Convert to fraction form
    3,670,420.70/5,503,006.65 = 1,647,008.30/x
  3. Step 3: Cross multiply
    3,670,420.70x = 5,503,006.65 × 1,647,008.30
  4. Step 4: Simplify right side
    3,670,420.70x = 9,063,497,627,505.20
  5. Step 5: Solve for x
    x = 9,063,497,627,505.20/3,670,420.70
  6. Step 6: Final answer
    x = 2,469,334.82

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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.