Finding the Fourth Proportional to 5,022,476.64, 7,532,907.84 and 1,378,355.09
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Solution
The fourth proportional to 5,022,476.64, 7,532,907.84 and 1,378,355.09 is: 2,067,311.12
Step by Step Solution
- Step 1: Write the proportion equation
5,022,476.64 : 7,532,907.84 = 1,378,355.09 : x - Step 2: Convert to fraction form
5,022,476.64/7,532,907.84 = 1,378,355.09/x - Step 3: Cross multiply
5,022,476.64x = 7,532,907.84 × 1,378,355.09 - Step 4: Simplify right side
5,022,476.64x = 10,383,021,826,100.37 - Step 5: Solve for x
x = 10,383,021,826,100.37/5,022,476.64 - Step 6: Final answer
x = 2,067,311.12
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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.