Finding the Fourth Proportional to 3,844,709.06, 5,305,486.56 and 2,125,716.20
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Solution
The fourth proportional to 3,844,709.06, 5,305,486.56 and 2,125,716.20 is: 2,933,371.17
Step by Step Solution
- Step 1: Write the proportion equation
3,844,709.06 : 5,305,486.56 = 2,125,716.20 : x - Step 2: Convert to fraction form
3,844,709.06/5,305,486.56 = 2,125,716.20/x - Step 3: Cross multiply
3,844,709.06x = 5,305,486.56 × 2,125,716.20 - Step 4: Simplify right side
3,844,709.06x = 11,277,958,729,474.27 - Step 5: Solve for x
x = 11,277,958,729,474.27/3,844,709.06 - Step 6: Final answer
x = 2,933,371.17
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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.