Finding the Fourth Proportional to 5,189,043.95, 7,783,593.57 and 3,403,236.23
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Solution
The fourth proportional to 5,189,043.95, 7,783,593.57 and 3,403,236.23 is: 5,104,872.47
Step by Step Solution
- Step 1: Write the proportion equation
5,189,043.95 : 7,783,593.57 = 3,403,236.23 : x - Step 2: Convert to fraction form
5,189,043.95/7,783,593.57 = 3,403,236.23/x - Step 3: Cross multiply
5,189,043.95x = 7,783,593.57 × 3,403,236.23 - Step 4: Simplify right side
5,189,043.95x = 26,489,407,598,101.07 - Step 5: Solve for x
x = 26,489,407,598,101.07/5,189,043.95 - Step 6: Final answer
x = 5,104,872.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.