Finding the Fourth Proportional to 6,167,935.86, 8,512,642.26 and 3,553,939.49
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Solution
The fourth proportional to 6,167,935.86, 8,512,642.26 and 3,553,939.49 is: 4,904,949.75
Step by Step Solution
- Step 1: Write the proportion equation
6,167,935.86 : 8,512,642.26 = 3,553,939.49 : x - Step 2: Convert to fraction form
6,167,935.86/8,512,642.26 = 3,553,939.49/x - Step 3: Cross multiply
6,167,935.86x = 8,512,642.26 × 3,553,939.49 - Step 4: Simplify right side
6,167,935.86x = 30,253,415,449,493.63 - Step 5: Solve for x
x = 30,253,415,449,493.63/6,167,935.86 - Step 6: Final answer
x = 4,904,949.75
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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.