Finding the Fourth Proportional to 3,844,222.80, 5,305,421.88 and 2,212,691.28
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Solution
The fourth proportional to 3,844,222.80, 5,305,421.88 and 2,212,691.28 is: 3,053,740.99
Step by Step Solution
- Step 1: Write the proportion equation
3,844,222.80 : 5,305,421.88 = 2,212,691.28 : x - Step 2: Convert to fraction form
3,844,222.80/5,305,421.88 = 2,212,691.28/x - Step 3: Cross multiply
3,844,222.80x = 5,305,421.88 × 2,212,691.28 - Step 4: Simplify right side
3,844,222.80x = 11,739,260,730,597.21 - Step 5: Solve for x
x = 11,739,260,730,597.21/3,844,222.80 - Step 6: Final answer
x = 3,053,740.99
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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.