Finding the Fourth Proportional to 6,990,546.05, 10,486,192.75 and 2,198,608.99
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Solution
The fourth proportional to 6,990,546.05, 10,486,192.75 and 2,198,608.99 is: 3,298,031.00
Step by Step Solution
- Step 1: Write the proportion equation
6,990,546.05 : 10,486,192.75 = 2,198,608.99 : x - Step 2: Convert to fraction form
6,990,546.05/10,486,192.75 = 2,198,608.99/x - Step 3: Cross multiply
6,990,546.05x = 10,486,192.75 × 2,198,608.99 - Step 4: Simplify right side
6,990,546.05x = 23,055,037,619,310.82 - Step 5: Solve for x
x = 23,055,037,619,310.82/6,990,546.05 - Step 6: Final answer
x = 3,298,031.00
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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.