Finding the Fourth Proportional to 5,780,544.18, 7,977,151.08 and 3,202,391.94
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Solution
The fourth proportional to 5,780,544.18, 7,977,151.08 and 3,202,391.94 is: 4,419,300.94
Step by Step Solution
- Step 1: Write the proportion equation
5,780,544.18 : 7,977,151.08 = 3,202,391.94 : x - Step 2: Convert to fraction form
5,780,544.18/7,977,151.08 = 3,202,391.94/x - Step 3: Cross multiply
5,780,544.18x = 7,977,151.08 × 3,202,391.94 - Step 4: Simplify right side
5,780,544.18x = 25,545,964,322,754.30 - Step 5: Solve for x
x = 25,545,964,322,754.30/5,780,544.18 - Step 6: Final answer
x = 4,419,300.94
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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.