Finding the Fourth Proportional to 4,143,279.56, 5,718,013.20 and 2,511,755.68
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Solution
The fourth proportional to 4,143,279.56, 5,718,013.20 and 2,511,755.68 is: 3,466,397.07
Step by Step Solution
- Step 1: Write the proportion equation
4,143,279.56 : 5,718,013.20 = 2,511,755.68 : x - Step 2: Convert to fraction form
4,143,279.56/5,718,013.20 = 2,511,755.68/x - Step 3: Cross multiply
4,143,279.56x = 5,718,013.20 × 2,511,755.68 - Step 4: Simplify right side
4,143,279.56x = 14,362,252,133,414.98 - Step 5: Solve for x
x = 14,362,252,133,414.98/4,143,279.56 - Step 6: Final answer
x = 3,466,397.07
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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.