Finding the Fourth Proportional to 6,167,936.09, 8,512,642.13 and 3,553,939.53
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Solution
The fourth proportional to 6,167,936.09, 8,512,642.13 and 3,553,939.53 is: 4,904,949.55
Step by Step Solution
- Step 1: Write the proportion equation
6,167,936.09 : 8,512,642.13 = 3,553,939.53 : x - Step 2: Convert to fraction form
6,167,936.09/8,512,642.13 = 3,553,939.53/x - Step 3: Cross multiply
6,167,936.09x = 8,512,642.13 × 3,553,939.53 - Step 4: Simplify right side
6,167,936.09x = 30,253,415,370,550.40 - Step 5: Solve for x
x = 30,253,415,370,550.40/6,167,936.09 - Step 6: Final answer
x = 4,904,949.55
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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.