Finding the Fourth Proportional to 4,114,745.99, 5,678,289.46 and 2,279,198.26
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Solution
The fourth proportional to 4,114,745.99, 5,678,289.46 and 2,279,198.26 is: 3,145,260.36
Step by Step Solution
- Step 1: Write the proportion equation
4,114,745.99 : 5,678,289.46 = 2,279,198.26 : x - Step 2: Convert to fraction form
4,114,745.99/5,678,289.46 = 2,279,198.26/x - Step 3: Cross multiply
4,114,745.99x = 5,678,289.46 × 2,279,198.26 - Step 4: Simplify right side
4,114,745.99x = 12,941,947,457,008.34 - Step 5: Solve for x
x = 12,941,947,457,008.34/4,114,745.99 - Step 6: Final answer
x = 3,145,260.36
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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.