Finding the Fourth Proportional to 5,286,530.40, 7,924,546.80 and 2,441,680.80
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Solution
The fourth proportional to 5,286,530.40, 7,924,546.80 and 2,441,680.80 is: 3,660,096.95
Step by Step Solution
- Step 1: Write the proportion equation
5,286,530.40 : 7,924,546.80 = 2,441,680.80 : x - Step 2: Convert to fraction form
5,286,530.40/7,924,546.80 = 2,441,680.80/x - Step 3: Cross multiply
5,286,530.40x = 7,924,546.80 × 2,441,680.80 - Step 4: Simplify right side
5,286,530.40x = 19,349,213,770,261.44 - Step 5: Solve for x
x = 19,349,213,770,261.44/5,286,530.40 - Step 6: Final answer
x = 3,660,096.95
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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.