Finding the Fourth Proportional to 3,561,661.40, 4,916,208.87 and 2,272,499.62
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Solution
The fourth proportional to 3,561,661.40, 4,916,208.87 and 2,272,499.62 is: 3,136,761.62
Step by Step Solution
- Step 1: Write the proportion equation
3,561,661.40 : 4,916,208.87 = 2,272,499.62 : x - Step 2: Convert to fraction form
3,561,661.40/4,916,208.87 = 2,272,499.62/x - Step 3: Cross multiply
3,561,661.40x = 4,916,208.87 × 2,272,499.62 - Step 4: Simplify right side
3,561,661.40x = 11,172,082,776,625.11 - Step 5: Solve for x
x = 11,172,082,776,625.11/3,561,661.40 - Step 6: Final answer
x = 3,136,761.62
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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.