Finding the Fourth Proportional to 6,788,132.19, 9,367,806.12 and 3,690,863.49
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Solution
The fourth proportional to 6,788,132.19, 9,367,806.12 and 3,690,863.49 is: 5,093,491.50
Step by Step Solution
- Step 1: Write the proportion equation
6,788,132.19 : 9,367,806.12 = 3,690,863.49 : x - Step 2: Convert to fraction form
6,788,132.19/9,367,806.12 = 3,690,863.49/x - Step 3: Cross multiply
6,788,132.19x = 9,367,806.12 × 3,690,863.49 - Step 4: Simplify right side
6,788,132.19x = 34,575,293,589,706.56 - Step 5: Solve for x
x = 34,575,293,589,706.56/6,788,132.19 - Step 6: Final answer
x = 5,093,491.50
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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.