Finding the Fourth Proportional to 5,517,474.88, 8,270,844.80 and 2,638,093.44
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Solution
The fourth proportional to 5,517,474.88, 8,270,844.80 and 2,638,093.44 is: 3,954,573.77
Step by Step Solution
- Step 1: Write the proportion equation
5,517,474.88 : 8,270,844.80 = 2,638,093.44 : x - Step 2: Convert to fraction form
5,517,474.88/8,270,844.80 = 2,638,093.44/x - Step 3: Cross multiply
5,517,474.88x = 8,270,844.80 × 2,638,093.44 - Step 4: Simplify right side
5,517,474.88x = 21,819,261,410,138.11 - Step 5: Solve for x
x = 21,819,261,410,138.11/5,517,474.88 - Step 6: Final answer
x = 3,954,573.77
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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.