Finding the Fourth Proportional to 1,608,130.68, 2,218,382.69 and 1,302,552.11
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Solution
The fourth proportional to 1,608,130.68, 2,218,382.69 and 1,302,552.11 is: 1,796,843.42
Step by Step Solution
- Step 1: Write the proportion equation
1,608,130.68 : 2,218,382.69 = 1,302,552.11 : x - Step 2: Convert to fraction form
1,608,130.68/2,218,382.69 = 1,302,552.11/x - Step 3: Cross multiply
1,608,130.68x = 2,218,382.69 × 1,302,552.11 - Step 4: Simplify right side
1,608,130.68x = 2,889,559,036,042.30 - Step 5: Solve for x
x = 2,889,559,036,042.30/1,608,130.68 - Step 6: Final answer
x = 1,796,843.42
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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.