Finding the Fourth Proportional to 5,447,286.84, 7,511,680.62 and 3,611,106.36
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Solution
The fourth proportional to 5,447,286.84, 7,511,680.62 and 3,611,106.36 is: 4,979,630.86
Step by Step Solution
- Step 1: Write the proportion equation
5,447,286.84 : 7,511,680.62 = 3,611,106.36 : x - Step 2: Convert to fraction form
5,447,286.84/7,511,680.62 = 3,611,106.36/x - Step 3: Cross multiply
5,447,286.84x = 7,511,680.62 × 3,611,106.36 - Step 4: Simplify right side
5,447,286.84x = 27,125,477,661,170.74 - Step 5: Solve for x
x = 27,125,477,661,170.74/5,447,286.84 - Step 6: Final answer
x = 4,979,630.86
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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.