Finding the Fourth Proportional to 3,192,360.05, 4,405,549.94 and 1,742,148.90
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Solution
The fourth proportional to 3,192,360.05, 4,405,549.94 and 1,742,148.90 is: 2,404,216.28
Step by Step Solution
- Step 1: Write the proportion equation
3,192,360.05 : 4,405,549.94 = 1,742,148.90 : x - Step 2: Convert to fraction form
3,192,360.05/4,405,549.94 = 1,742,148.90/x - Step 3: Cross multiply
3,192,360.05x = 4,405,549.94 × 1,742,148.90 - Step 4: Simplify right side
3,192,360.05x = 7,675,123,986,221.44 - Step 5: Solve for x
x = 7,675,123,986,221.44/3,192,360.05 - Step 6: Final answer
x = 2,404,216.28
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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.