Finding the Fourth Proportional to 3,052,432.67, 4,212,146.36 and 1,694,198.75
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Solution
The fourth proportional to 3,052,432.67, 4,212,146.36 and 1,694,198.75 is: 2,337,877.31
Step by Step Solution
- Step 1: Write the proportion equation
3,052,432.67 : 4,212,146.36 = 1,694,198.75 : x - Step 2: Convert to fraction form
3,052,432.67/4,212,146.36 = 1,694,198.75/x - Step 3: Cross multiply
3,052,432.67x = 4,212,146.36 × 1,694,198.75 - Step 4: Simplify right side
3,052,432.67x = 7,136,213,089,458.06 - Step 5: Solve for x
x = 7,136,213,089,458.06/3,052,432.67 - Step 6: Final answer
x = 2,337,877.31
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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.