Home / 2,988,379.56-4,123,944.54-1,699,219.92

Finding the Fourth Proportional to 2,988,379.56, 4,123,944.54 and 1,699,219.92

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Solution

The fourth proportional to 2,988,379.56, 4,123,944.54 and 1,699,219.92 is: 2,344,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,379.56 : 4,123,944.54 = 1,699,219.92 : x
  2. Step 2: Convert to fraction form
    2,988,379.56/4,123,944.54 = 1,699,219.92/x
  3. Step 3: Cross multiply
    2,988,379.56x = 4,123,944.54 × 1,699,219.92
  4. Step 4: Simplify right side
    2,988,379.56x = 7,007,488,711,343.24
  5. Step 5: Solve for x
    x = 7,007,488,711,343.24/2,988,379.56
  6. Step 6: Final answer
    x = 2,344,912.54

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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.