Finding the Fourth Proportional to 5,427,695.48, 8,180,557.13 and 4,678,578.32
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Solution
The fourth proportional to 5,427,695.48, 8,180,557.13 and 4,678,578.32 is: 7,051,496.79
Step by Step Solution
- Step 1: Write the proportion equation
5,427,695.48 : 8,180,557.13 = 4,678,578.32 : x - Step 2: Convert to fraction form
5,427,695.48/8,180,557.13 = 4,678,578.32/x - Step 3: Cross multiply
5,427,695.48x = 8,180,557.13 × 4,678,578.32 - Step 4: Simplify right side
5,427,695.48x = 38,273,377,233,939.42 - Step 5: Solve for x
x = 38,273,377,233,939.42/5,427,695.48 - Step 6: Final answer
x = 7,051,496.79
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.