Finding the Fourth Proportional to 4,115,336.73, 5,679,163.94 and 2,279,914.29
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Solution
The fourth proportional to 4,115,336.73, 5,679,163.94 and 2,279,914.29 is: 3,146,281.31
Step by Step Solution
- Step 1: Write the proportion equation
4,115,336.73 : 5,679,163.94 = 2,279,914.29 : x - Step 2: Convert to fraction form
4,115,336.73/5,679,163.94 = 2,279,914.29/x - Step 3: Cross multiply
4,115,336.73x = 5,679,163.94 × 2,279,914.29 - Step 4: Simplify right side
4,115,336.73x = 12,948,007,010,659.13 - Step 5: Solve for x
x = 12,948,007,010,659.13/4,115,336.73 - Step 6: Final answer
x = 3,146,281.31
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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.