Finding the Fourth Proportional to 6,211,053.70, 9,318,481.92 and 3,180,565.26
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Solution
The fourth proportional to 6,211,053.70, 9,318,481.92 and 3,180,565.26 is: 4,771,821.55
Step by Step Solution
- Step 1: Write the proportion equation
6,211,053.70 : 9,318,481.92 = 3,180,565.26 : x - Step 2: Convert to fraction form
6,211,053.70/9,318,481.92 = 3,180,565.26/x - Step 3: Cross multiply
6,211,053.70x = 9,318,481.92 × 3,180,565.26 - Step 4: Simplify right side
6,211,053.70x = 29,638,039,870,690.10 - Step 5: Solve for x
x = 29,638,039,870,690.10/6,211,053.70 - Step 6: Final answer
x = 4,771,821.55
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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.