Finding the Fourth Proportional to 5,082,380.24, 7,013,692.36 and 2,790,687.12
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Solution
The fourth proportional to 5,082,380.24, 7,013,692.36 and 2,790,687.12 is: 3,851,152.41
Step by Step Solution
- Step 1: Write the proportion equation
5,082,380.24 : 7,013,692.36 = 2,790,687.12 : x - Step 2: Convert to fraction form
5,082,380.24/7,013,692.36 = 2,790,687.12/x - Step 3: Cross multiply
5,082,380.24x = 7,013,692.36 × 2,790,687.12 - Step 4: Simplify right side
5,082,380.24x = 19,573,020,932,694.41 - Step 5: Solve for x
x = 19,573,020,932,694.41/5,082,380.24 - Step 6: Final answer
x = 3,851,152.41
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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.