Finding the Fourth Proportional to 3,351,820.53, 4,625,616.87 and 1,901,577.09
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Solution
The fourth proportional to 3,351,820.53, 4,625,616.87 and 1,901,577.09 is: 2,624,235.69
Step by Step Solution
- Step 1: Write the proportion equation
3,351,820.53 : 4,625,616.87 = 1,901,577.09 : x - Step 2: Convert to fraction form
3,351,820.53/4,625,616.87 = 1,901,577.09/x - Step 3: Cross multiply
3,351,820.53x = 4,625,616.87 × 1,901,577.09 - Step 4: Simplify right side
3,351,820.53x = 8,795,967,067,109.51 - Step 5: Solve for x
x = 8,795,967,067,109.51/3,351,820.53 - Step 6: Final answer
x = 2,624,235.69
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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.