Home / 5,361,311.80-8,041,967.70-1,815,455.80

Finding the Fourth Proportional to 5,361,311.80, 8,041,967.70 and 1,815,455.80

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Solution

The fourth proportional to 5,361,311.80, 8,041,967.70 and 1,815,455.80 is: 2,723,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361,311.80 : 8,041,967.70 = 1,815,455.80 : x
  2. Step 2: Convert to fraction form
    5,361,311.80/8,041,967.70 = 1,815,455.80/x
  3. Step 3: Cross multiply
    5,361,311.80x = 8,041,967.70 × 1,815,455.80
  4. Step 4: Simplify right side
    5,361,311.80x = 14,599,836,904,377.66
  5. Step 5: Solve for x
    x = 14,599,836,904,377.66/5,361,311.80
  6. Step 6: Final answer
    x = 2,723,183.70

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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.