Finding the Fourth Proportional to 3,192,626.16, 4,405,917.42 and 1,742,414.67
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Solution
The fourth proportional to 3,192,626.16, 4,405,917.42 and 1,742,414.67 is: 2,404,583.17
Step by Step Solution
- Step 1: Write the proportion equation
3,192,626.16 : 4,405,917.42 = 1,742,414.67 : x - Step 2: Convert to fraction form
3,192,626.16/4,405,917.42 = 1,742,414.67/x - Step 3: Cross multiply
3,192,626.16x = 4,405,917.42 × 1,742,414.67 - Step 4: Simplify right side
3,192,626.16x = 7,676,935,147,416.55 - Step 5: Solve for x
x = 7,676,935,147,416.55/3,192,626.16 - Step 6: Final answer
x = 2,404,583.17
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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.