Finding the Fourth Proportional to 3,366,398.48, 4,645,635.10 and 1,916,093.92
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Solution
The fourth proportional to 3,366,398.48, 4,645,635.10 and 1,916,093.92 is: 2,644,212.56
Step by Step Solution
- Step 1: Write the proportion equation
3,366,398.48 : 4,645,635.10 = 1,916,093.92 : x - Step 2: Convert to fraction form
3,366,398.48/4,645,635.10 = 1,916,093.92/x - Step 3: Cross multiply
3,366,398.48x = 4,645,635.10 × 1,916,093.92 - Step 4: Simplify right side
3,366,398.48x = 8,901,473,153,064.39 - Step 5: Solve for x
x = 8,901,473,153,064.39/3,366,398.48 - Step 6: Final answer
x = 2,644,212.56
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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.