Home / 1,815,471.10-2,505,250.96-999,519.85

Finding the Fourth Proportional to 1,815,471.10, 2,505,250.96 and 999,519.85

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Solution

The fourth proportional to 1,815,471.10, 2,505,250.96 and 999,519.85 is: 1,379,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,471.10 : 2,505,250.96 = 999,519.85 : x
  2. Step 2: Convert to fraction form
    1,815,471.10/2,505,250.96 = 999,519.85/x
  3. Step 3: Cross multiply
    1,815,471.10x = 2,505,250.96 × 999,519.85
  4. Step 4: Simplify right side
    1,815,471.10x = 2,504,048,063,751.56
  5. Step 5: Solve for x
    x = 2,504,048,063,751.56/1,815,471.10
  6. Step 6: Final answer
    x = 1,379,282.80

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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.