Finding the Fourth Proportional to 5,284,356.42, 7,292,591.37 and 5,042,218.62
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Solution
The fourth proportional to 5,284,356.42, 7,292,591.37 and 5,042,218.62 is: 6,958,432.98
Step by Step Solution
- Step 1: Write the proportion equation
5,284,356.42 : 7,292,591.37 = 5,042,218.62 : x - Step 2: Convert to fraction form
5,284,356.42/7,292,591.37 = 5,042,218.62/x - Step 3: Cross multiply
5,284,356.42x = 7,292,591.37 × 5,042,218.62 - Step 4: Simplify right side
5,284,356.42x = 36,770,839,993,865.31 - Step 5: Solve for x
x = 36,770,839,993,865.31/5,284,356.42 - Step 6: Final answer
x = 6,958,432.98
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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.