Finding the Fourth Proportional to 3,314,910.32, 4,972,365.58 and 2,192,716.88
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Solution
The fourth proportional to 3,314,910.32, 4,972,365.58 and 2,192,716.88 is: 3,289,075.39
Step by Step Solution
- Step 1: Write the proportion equation
3,314,910.32 : 4,972,365.58 = 2,192,716.88 : x - Step 2: Convert to fraction form
3,314,910.32/4,972,365.58 = 2,192,716.88/x - Step 3: Cross multiply
3,314,910.32x = 4,972,365.58 × 2,192,716.88 - Step 4: Simplify right side
3,314,910.32x = 10,902,989,940,796.99 - Step 5: Solve for x
x = 10,902,989,940,796.99/3,314,910.32 - Step 6: Final answer
x = 3,289,075.39
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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.