Finding the Fourth Proportional to 2,874,902.97, 3,967,296.57 and 1,585,715.70
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Solution
The fourth proportional to 2,874,902.97, 3,967,296.57 and 1,585,715.70 is: 2,188,249.32
Step by Step Solution
- Step 1: Write the proportion equation
2,874,902.97 : 3,967,296.57 = 1,585,715.70 : x - Step 2: Convert to fraction form
2,874,902.97/3,967,296.57 = 1,585,715.70/x - Step 3: Cross multiply
2,874,902.97x = 3,967,296.57 × 1,585,715.70 - Step 4: Simplify right side
2,874,902.97x = 6,291,004,457,605.15 - Step 5: Solve for x
x = 6,291,004,457,605.15/2,874,902.97 - Step 6: Final answer
x = 2,188,249.32
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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.