Finding the Fourth Proportional to 4,111,842.06, 6,161,021.34 and 2,911,609.68
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Solution
The fourth proportional to 4,111,842.06, 6,161,021.34 and 2,911,609.68 is: 4,362,640.66
Step by Step Solution
- Step 1: Write the proportion equation
4,111,842.06 : 6,161,021.34 = 2,911,609.68 : x - Step 2: Convert to fraction form
4,111,842.06/6,161,021.34 = 2,911,609.68/x - Step 3: Cross multiply
4,111,842.06x = 6,161,021.34 × 2,911,609.68 - Step 4: Simplify right side
4,111,842.06x = 17,938,489,372,230.57 - Step 5: Solve for x
x = 17,938,489,372,230.57/4,111,842.06 - Step 6: Final answer
x = 4,362,640.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.