Finding the Fourth Proportional to 5,322,284.44, 7,344,755.49 and 2,874,895.51
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Solution
The fourth proportional to 5,322,284.44, 7,344,755.49 and 2,874,895.51 is: 3,967,357.40
Step by Step Solution
- Step 1: Write the proportion equation
5,322,284.44 : 7,344,755.49 = 2,874,895.51 : x - Step 2: Convert to fraction form
5,322,284.44/7,344,755.49 = 2,874,895.51/x - Step 3: Cross multiply
5,322,284.44x = 7,344,755.49 × 2,874,895.51 - Step 4: Simplify right side
5,322,284.44x = 21,115,404,546,973.60 - Step 5: Solve for x
x = 21,115,404,546,973.60/5,322,284.44 - Step 6: Final answer
x = 3,967,357.40
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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.