Finding the Fourth Proportional to 3,517,082.70, 5,272,868.08 and 1,388,759.91
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Solution
The fourth proportional to 3,517,082.70, 5,272,868.08 and 1,388,759.91 is: 2,082,051.64
Step by Step Solution
- Step 1: Write the proportion equation
3,517,082.70 : 5,272,868.08 = 1,388,759.91 : x - Step 2: Convert to fraction form
3,517,082.70/5,272,868.08 = 1,388,759.91/x - Step 3: Cross multiply
3,517,082.70x = 5,272,868.08 × 1,388,759.91 - Step 4: Simplify right side
3,517,082.70x = 7,322,747,800,222.67 - Step 5: Solve for x
x = 7,322,747,800,222.67/3,517,082.70 - Step 6: Final answer
x = 2,082,051.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.