Finding the Fourth Proportional to 1,517,514.50, 2,277,394.28 and 718,797.80
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Solution
The fourth proportional to 1,517,514.50, 2,277,394.28 and 718,797.80 is: 1,078,728.40
Step by Step Solution
- Step 1: Write the proportion equation
1,517,514.50 : 2,277,394.28 = 718,797.80 : x - Step 2: Convert to fraction form
1,517,514.50/2,277,394.28 = 718,797.80/x - Step 3: Cross multiply
1,517,514.50x = 2,277,394.28 × 718,797.80 - Step 4: Simplify right side
1,517,514.50x = 1,636,985,990,181.23 - Step 5: Solve for x
x = 1,636,985,990,181.23/1,517,514.50 - Step 6: Final answer
x = 1,078,728.40
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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.