Finding the Fourth Proportional to 5,284,618.20, 7,292,529.42 and 2,992,795.56
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Solution
The fourth proportional to 5,284,618.20, 7,292,529.42 and 2,992,795.56 is: 4,129,919.86
Step by Step Solution
- Step 1: Write the proportion equation
5,284,618.20 : 7,292,529.42 = 2,992,795.56 : x - Step 2: Convert to fraction form
5,284,618.20/7,292,529.42 = 2,992,795.56/x - Step 3: Cross multiply
5,284,618.20x = 7,292,529.42 × 2,992,795.56 - Step 4: Simplify right side
5,284,618.20x = 21,825,049,669,345.38 - Step 5: Solve for x
x = 21,825,049,669,345.38/5,284,618.20 - Step 6: Final answer
x = 4,129,919.86
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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.