Finding the Fourth Proportional to 5,728,999.14, 7,906,115.16 and 3,281,824.17
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Solution
The fourth proportional to 5,728,999.14, 7,906,115.16 and 3,281,824.17 is: 4,528,972.55
Step by Step Solution
- Step 1: Write the proportion equation
5,728,999.14 : 7,906,115.16 = 3,281,824.17 : x - Step 2: Convert to fraction form
5,728,999.14/7,906,115.16 = 3,281,824.17/x - Step 3: Cross multiply
5,728,999.14x = 7,906,115.16 × 3,281,824.17 - Step 4: Simplify right side
5,728,999.14x = 25,946,479,822,891.42 - Step 5: Solve for x
x = 25,946,479,822,891.42/5,728,999.14 - Step 6: Final answer
x = 4,528,972.55
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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.