Finding the Fourth Proportional to 5,951,431.20, 8,213,872.40 and 3,629,671.44
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Solution
The fourth proportional to 5,951,431.20, 8,213,872.40 and 3,629,671.44 is: 5,009,493.86
Step by Step Solution
- Step 1: Write the proportion equation
5,951,431.20 : 8,213,872.40 = 3,629,671.44 : x - Step 2: Convert to fraction form
5,951,431.20/8,213,872.40 = 3,629,671.44/x - Step 3: Cross multiply
5,951,431.20x = 8,213,872.40 × 3,629,671.44 - Step 4: Simplify right side
5,951,431.20x = 29,813,658,062,084.26 - Step 5: Solve for x
x = 29,813,658,062,084.26/5,951,431.20 - Step 6: Final answer
x = 5,009,493.86
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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.