Finding the Fourth Proportional to 3,121,578.14, 4,682,369.01 and 877,716.14
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Solution
The fourth proportional to 3,121,578.14, 4,682,369.01 and 877,716.14 is: 1,316,574.72
Step by Step Solution
- Step 1: Write the proportion equation
3,121,578.14 : 4,682,369.01 = 877,716.14 : x - Step 2: Convert to fraction form
3,121,578.14/4,682,369.01 = 877,716.14/x - Step 3: Cross multiply
3,121,578.14x = 4,682,369.01 × 877,716.14 - Step 4: Simplify right side
3,121,578.14x = 4,109,790,853,512.82 - Step 5: Solve for x
x = 4,109,790,853,512.82/3,121,578.14 - Step 6: Final answer
x = 1,316,574.72
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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.