Finding the Fourth Proportional to 1,762,716.44, 2,433,292.92 and 1,190,531.66
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Solution
The fourth proportional to 1,762,716.44, 2,433,292.92 and 1,190,531.66 is: 1,643,436.34
Step by Step Solution
- Step 1: Write the proportion equation
1,762,716.44 : 2,433,292.92 = 1,190,531.66 : x - Step 2: Convert to fraction form
1,762,716.44/2,433,292.92 = 1,190,531.66/x - Step 3: Cross multiply
1,762,716.44x = 2,433,292.92 × 1,190,531.66 - Step 4: Simplify right side
1,762,716.44x = 2,896,912,259,313.85 - Step 5: Solve for x
x = 2,896,912,259,313.85/1,762,716.44 - Step 6: Final answer
x = 1,643,436.34
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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.