Finding the Fourth Proportional to 2,381,143.62, 3,282,851.39 and 1,718,299.26
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Solution
The fourth proportional to 2,381,143.62, 3,282,851.39 and 1,718,299.26 is: 2,368,996.59
Step by Step Solution
- Step 1: Write the proportion equation
2,381,143.62 : 3,282,851.39 = 1,718,299.26 : x - Step 2: Convert to fraction form
2,381,143.62/3,282,851.39 = 1,718,299.26/x - Step 3: Cross multiply
2,381,143.62x = 3,282,851.39 × 1,718,299.26 - Step 4: Simplify right side
2,381,143.62x = 5,640,921,114,126.97 - Step 5: Solve for x
x = 5,640,921,114,126.97/2,381,143.62 - Step 6: Final answer
x = 2,368,996.59
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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.