Finding the Fourth Proportional to 3,168,982.38, 4,373,183.07 and 1,718,671.98
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Solution
The fourth proportional to 3,168,982.38, 4,373,183.07 and 1,718,671.98 is: 2,371,760.49
Step by Step Solution
- Step 1: Write the proportion equation
3,168,982.38 : 4,373,183.07 = 1,718,671.98 : x - Step 2: Convert to fraction form
3,168,982.38/4,373,183.07 = 1,718,671.98/x - Step 3: Cross multiply
3,168,982.38x = 4,373,183.07 × 1,718,671.98 - Step 4: Simplify right side
3,168,982.38x = 7,516,067,205,819.38 - Step 5: Solve for x
x = 7,516,067,205,819.38/3,168,982.38 - Step 6: Final answer
x = 2,371,760.49
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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.