Finding the Fourth Proportional to 2,384,218.38, 3,290,121.21 and 1,351,795.62
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Solution
The fourth proportional to 2,384,218.38, 3,290,121.21 and 1,351,795.62 is: 1,865,421.17
Step by Step Solution
- Step 1: Write the proportion equation
2,384,218.38 : 3,290,121.21 = 1,351,795.62 : x - Step 2: Convert to fraction form
2,384,218.38/3,290,121.21 = 1,351,795.62/x - Step 3: Cross multiply
2,384,218.38x = 3,290,121.21 × 1,351,795.62 - Step 4: Simplify right side
2,384,218.38x = 4,447,571,458,354.29 - Step 5: Solve for x
x = 4,447,571,458,354.29/2,384,218.38 - Step 6: Final answer
x = 1,865,421.17
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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.