Finding the Fourth Proportional to 2,278,982.10, 3,144,969.79 and 1,246,519.54
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Solution
The fourth proportional to 2,278,982.10, 3,144,969.79 and 1,246,519.54 is: 1,720,183.01
Step by Step Solution
- Step 1: Write the proportion equation
2,278,982.10 : 3,144,969.79 = 1,246,519.54 : x - Step 2: Convert to fraction form
2,278,982.10/3,144,969.79 = 1,246,519.54/x - Step 3: Cross multiply
2,278,982.10x = 3,144,969.79 × 1,246,519.54 - Step 4: Simplify right side
2,278,982.10x = 3,920,266,295,944.70 - Step 5: Solve for x
x = 3,920,266,295,944.70/2,278,982.10 - Step 6: Final answer
x = 1,720,183.01
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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.