Finding the Fourth Proportional to 6,612,556.68, 9,125,631.04 and 3,672,387.18
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Solution
The fourth proportional to 6,612,556.68, 9,125,631.04 and 3,672,387.18 is: 5,068,062.48
Step by Step Solution
- Step 1: Write the proportion equation
6,612,556.68 : 9,125,631.04 = 3,672,387.18 : x - Step 2: Convert to fraction form
6,612,556.68/9,125,631.04 = 3,672,387.18/x - Step 3: Cross multiply
6,612,556.68x = 9,125,631.04 × 3,672,387.18 - Step 4: Simplify right side
6,612,556.68x = 33,512,850,389,583.03 - Step 5: Solve for x
x = 33,512,850,389,583.03/6,612,556.68 - Step 6: Final answer
x = 5,068,062.48
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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.