Finding the Fourth Proportional to 5,262,290.54, 7,261,960.99 and 2,847,842.54
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Solution
The fourth proportional to 5,262,290.54, 7,261,960.99 and 2,847,842.54 is: 3,930,022.72
Step by Step Solution
- Step 1: Write the proportion equation
5,262,290.54 : 7,261,960.99 = 2,847,842.54 : x - Step 2: Convert to fraction form
5,262,290.54/7,261,960.99 = 2,847,842.54/x - Step 3: Cross multiply
5,262,290.54x = 7,261,960.99 × 2,847,842.54 - Step 4: Simplify right side
5,262,290.54x = 20,680,921,387,713.11 - Step 5: Solve for x
x = 20,680,921,387,713.11/5,262,290.54 - Step 6: Final answer
x = 3,930,022.72
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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.