Finding the Fourth Proportional to 3,416,772.05, 4,715,243.84 and 1,888,977.59
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Solution
The fourth proportional to 3,416,772.05, 4,715,243.84 and 1,888,977.59 is: 2,606,843.48
Step by Step Solution
- Step 1: Write the proportion equation
3,416,772.05 : 4,715,243.84 = 1,888,977.59 : x - Step 2: Convert to fraction form
3,416,772.05/4,715,243.84 = 1,888,977.59/x - Step 3: Cross multiply
3,416,772.05x = 4,715,243.84 × 1,888,977.59 - Step 4: Simplify right side
3,416,772.05x = 8,906,989,919,208.10 - Step 5: Solve for x
x = 8,906,989,919,208.10/3,416,772.05 - Step 6: Final answer
x = 2,606,843.48
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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.