Finding the Fourth Proportional to 3,192,307.80, 4,405,478.24 and 1,742,096.68
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Solution
The fourth proportional to 3,192,307.80, 4,405,478.24 and 1,742,096.68 is: 2,404,144.43
Step by Step Solution
- Step 1: Write the proportion equation
3,192,307.80 : 4,405,478.24 = 1,742,096.68 : x - Step 2: Convert to fraction form
3,192,307.80/4,405,478.24 = 1,742,096.68/x - Step 3: Cross multiply
3,192,307.80x = 4,405,478.24 × 1,742,096.68 - Step 4: Simplify right side
3,192,307.80x = 7,674,769,015,716.24 - Step 5: Solve for x
x = 7,674,769,015,716.24/3,192,307.80 - Step 6: Final answer
x = 2,404,144.43
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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.