Finding the Fourth Proportional to 3,366,531.16, 4,645,842.51 and 1,916,319.84
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Solution
The fourth proportional to 3,366,531.16, 4,645,842.51 and 1,916,319.84 is: 2,644,538.17
Step by Step Solution
- Step 1: Write the proportion equation
3,366,531.16 : 4,645,842.51 = 1,916,319.84 : x - Step 2: Convert to fraction form
3,366,531.16/4,645,842.51 = 1,916,319.84/x - Step 3: Cross multiply
3,366,531.16x = 4,645,842.51 × 1,916,319.84 - Step 4: Simplify right side
3,366,531.16x = 8,902,920,165,846.80 - Step 5: Solve for x
x = 8,902,920,165,846.80/3,366,531.16 - Step 6: Final answer
x = 2,644,538.17
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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.