Finding the Fourth Proportional to 3,366,407.19, 4,645,647.12 and 1,916,102.61
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Solution
The fourth proportional to 3,366,407.19, 4,645,647.12 and 1,916,102.61 is: 2,644,224.56
Step by Step Solution
- Step 1: Write the proportion equation
3,366,407.19 : 4,645,647.12 = 1,916,102.61 : x - Step 2: Convert to fraction form
3,366,407.19/4,645,647.12 = 1,916,102.61/x - Step 3: Cross multiply
3,366,407.19x = 4,645,647.12 × 1,916,102.61 - Step 4: Simplify right side
3,366,407.19x = 8,901,536,571,770.99 - Step 5: Solve for x
x = 8,901,536,571,770.99/3,366,407.19 - Step 6: Final answer
x = 2,644,224.56
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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.