Finding the Fourth Proportional to 3,043,072.75, 4,199,571.84 and 1,684,945.75
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Solution
The fourth proportional to 3,043,072.75, 4,199,571.84 and 1,684,945.75 is: 2,325,297.92
Step by Step Solution
- Step 1: Write the proportion equation
3,043,072.75 : 4,199,571.84 = 1,684,945.75 : x - Step 2: Convert to fraction form
3,043,072.75/4,199,571.84 = 1,684,945.75/x - Step 3: Cross multiply
3,043,072.75x = 4,199,571.84 × 1,684,945.75 - Step 4: Simplify right side
3,043,072.75x = 7,076,050,723,627.68 - Step 5: Solve for x
x = 7,076,050,723,627.68/3,043,072.75 - Step 6: Final answer
x = 2,325,297.92
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1.5x scale
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.