Home / 3,415,359.40-5,123,039.10-3,205,234.60

Finding the Fourth Proportional to 3,415,359.40, 5,123,039.10 and 3,205,234.60

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Solution

The fourth proportional to 3,415,359.40, 5,123,039.10 and 3,205,234.60 is: 4,807,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,359.40 : 5,123,039.10 = 3,205,234.60 : x
  2. Step 2: Convert to fraction form
    3,415,359.40/5,123,039.10 = 3,205,234.60/x
  3. Step 3: Cross multiply
    3,415,359.40x = 5,123,039.10 × 3,205,234.60
  4. Step 4: Simplify right side
    3,415,359.40x = 16,420,542,180,472.86
  5. Step 5: Solve for x
    x = 16,420,542,180,472.86/3,415,359.40
  6. Step 6: Final answer
    x = 4,807,851.90

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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.