Finding the Fourth Proportional to 3,644,176.20, 5,029,578.42 and 2,117,169
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Solution
The fourth proportional to 3,644,176.20, 5,029,578.42 and 2,117,169 is: 2,922,050.67
Step by Step Solution
- Step 1: Write the proportion equation
3,644,176.20 : 5,029,578.42 = 2,117,169 : x - Step 2: Convert to fraction form
3,644,176.20/5,029,578.42 = 2,117,169/x - Step 3: Cross multiply
3,644,176.20x = 5,029,578.42 × 2,117,169 - Step 4: Simplify right side
3,644,176.20x = 10,648,467,513,892.98 - Step 5: Solve for x
x = 10,648,467,513,892.98/3,644,176.20 - Step 6: Final answer
x = 2,922,050.67
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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.