Home / 5,131,082.70-7,081,645.32-2,955,202.38

Finding the Fourth Proportional to 5,131,082.70, 7,081,645.32 and 2,955,202.38

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Solution

The fourth proportional to 5,131,082.70, 7,081,645.32 and 2,955,202.38 is: 4,078,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,082.70 : 7,081,645.32 = 2,955,202.38 : x
  2. Step 2: Convert to fraction form
    5,131,082.70/7,081,645.32 = 2,955,202.38/x
  3. Step 3: Cross multiply
    5,131,082.70x = 7,081,645.32 × 2,955,202.38
  4. Step 4: Simplify right side
    5,131,082.70x = 20,927,695,103,979.86
  5. Step 5: Solve for x
    x = 20,927,695,103,979.86/5,131,082.70
  6. Step 6: Final answer
    x = 4,078,611.93

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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.