Finding the Fourth Proportional to 2,796,644.97, 3,857,183.42 and 1,816,899.75
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Solution
The fourth proportional to 2,796,644.97, 3,857,183.42 and 1,816,899.75 is: 2,505,901.06
Step by Step Solution
- Step 1: Write the proportion equation
2,796,644.97 : 3,857,183.42 = 1,816,899.75 : x - Step 2: Convert to fraction form
2,796,644.97/3,857,183.42 = 1,816,899.75/x - Step 3: Cross multiply
2,796,644.97x = 3,857,183.42 × 1,816,899.75 - Step 4: Simplify right side
2,796,644.97x = 7,008,115,582,417.65 - Step 5: Solve for x
x = 7,008,115,582,417.65/2,796,644.97 - Step 6: Final answer
x = 2,505,901.06
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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.