Finding the Fourth Proportional to 6,797,968.19, 9,381,997.11 and 3,818,162.94
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Solution
The fourth proportional to 6,797,968.19, 9,381,997.11 and 3,818,162.94 is: 5,269,514.75
Step by Step Solution
- Step 1: Write the proportion equation
6,797,968.19 : 9,381,997.11 = 3,818,162.94 : x - Step 2: Convert to fraction form
6,797,968.19/9,381,997.11 = 3,818,162.94/x - Step 3: Cross multiply
6,797,968.19x = 9,381,997.11 × 3,818,162.94 - Step 4: Simplify right side
6,797,968.19x = 35,821,993,668,589.10 - Step 5: Solve for x
x = 35,821,993,668,589.10/6,797,968.19 - Step 6: Final answer
x = 5,269,514.75
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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.