Finding the Fourth Proportional to 3,413,451.77, 5,118,463.39 and 1,138,170.68
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Solution
The fourth proportional to 3,413,451.77, 5,118,463.39 and 1,138,170.68 is: 1,706,684.42
Step by Step Solution
- Step 1: Write the proportion equation
3,413,451.77 : 5,118,463.39 = 1,138,170.68 : x - Step 2: Convert to fraction form
3,413,451.77/5,118,463.39 = 1,138,170.68/x - Step 3: Cross multiply
3,413,451.77x = 5,118,463.39 × 1,138,170.68 - Step 4: Simplify right side
3,413,451.77x = 5,825,684,957,151.40 - Step 5: Solve for x
x = 5,825,684,957,151.40/3,413,451.77 - Step 6: Final answer
x = 1,706,684.42
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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.