Finding the Fourth Proportional to 5,859,616.40, 8,086,082.28 and 3,246,012.80
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Solution
The fourth proportional to 5,859,616.40, 8,086,082.28 and 3,246,012.80 is: 4,479,393.32
Step by Step Solution
- Step 1: Write the proportion equation
5,859,616.40 : 8,086,082.28 = 3,246,012.80 : x - Step 2: Convert to fraction form
5,859,616.40/8,086,082.28 = 3,246,012.80/x - Step 3: Cross multiply
5,859,616.40x = 8,086,082.28 × 3,246,012.80 - Step 4: Simplify right side
5,859,616.40x = 26,247,526,582,733.18 - Step 5: Solve for x
x = 26,247,526,582,733.18/5,859,616.40 - Step 6: Final answer
x = 4,479,393.32
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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.