Finding the Fourth Proportional to 5,760,981.71, 8,640,299.57 and 2,116,458.97
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Solution
The fourth proportional to 5,760,981.71, 8,640,299.57 and 2,116,458.97 is: 3,174,257.52
Step by Step Solution
- Step 1: Write the proportion equation
5,760,981.71 : 8,640,299.57 = 2,116,458.97 : x - Step 2: Convert to fraction form
5,760,981.71/8,640,299.57 = 2,116,458.97/x - Step 3: Cross multiply
5,760,981.71x = 8,640,299.57 × 2,116,458.97 - Step 4: Simplify right side
5,760,981.71x = 18,286,839,544,832.29 - Step 5: Solve for x
x = 18,286,839,544,832.29/5,760,981.71 - Step 6: Final answer
x = 3,174,257.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.