Finding the Fourth Proportional to 5,694,474.36, 7,858,375.38 and 3,116,155.68
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Solution
The fourth proportional to 5,694,474.36, 7,858,375.38 and 3,116,155.68 is: 4,300,295.26
Step by Step Solution
- Step 1: Write the proportion equation
5,694,474.36 : 7,858,375.38 = 3,116,155.68 : x - Step 2: Convert to fraction form
5,694,474.36/7,858,375.38 = 3,116,155.68/x - Step 3: Cross multiply
5,694,474.36x = 7,858,375.38 × 3,116,155.68 - Step 4: Simplify right side
5,694,474.36x = 24,487,921,075,959.16 - Step 5: Solve for x
x = 24,487,921,075,959.16/5,694,474.36 - Step 6: Final answer
x = 4,300,295.26
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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.