Finding the Fourth Proportional to 6,393,243.39, 9,589,871.34 and 1,782,045.42
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Solution
The fourth proportional to 6,393,243.39, 9,589,871.34 and 1,782,045.42 is: 2,673,069.87
Step by Step Solution
- Step 1: Write the proportion equation
6,393,243.39 : 9,589,871.34 = 1,782,045.42 : x - Step 2: Convert to fraction form
6,393,243.39/9,589,871.34 = 1,782,045.42/x - Step 3: Cross multiply
6,393,243.39x = 9,589,871.34 × 1,782,045.42 - Step 4: Simplify right side
6,393,243.39x = 17,089,586,299,836.26 - Step 5: Solve for x
x = 17,089,586,299,836.26/6,393,243.39 - Step 6: Final answer
x = 2,673,069.87
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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.