Finding the Fourth Proportional to 5,067,122.84, 6,992,742.68 and 2,891,622.68
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Solution
The fourth proportional to 5,067,122.84, 6,992,742.68 and 2,891,622.68 is: 3,990,503.88
Step by Step Solution
- Step 1: Write the proportion equation
5,067,122.84 : 6,992,742.68 = 2,891,622.68 : x - Step 2: Convert to fraction form
5,067,122.84/6,992,742.68 = 2,891,622.68/x - Step 3: Cross multiply
5,067,122.84x = 6,992,742.68 × 2,891,622.68 - Step 4: Simplify right side
5,067,122.84x = 20,220,373,328,891.98 - Step 5: Solve for x
x = 20,220,373,328,891.98/5,067,122.84 - Step 6: Final answer
x = 3,990,503.88
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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.