Finding the Fourth Proportional to 2,770,956.62, 3,826,560.94 and 2,619,996.18
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Solution
The fourth proportional to 2,770,956.62, 3,826,560.94 and 2,619,996.18 is: 3,618,091.66
Step by Step Solution
- Step 1: Write the proportion equation
2,770,956.62 : 3,826,560.94 = 2,619,996.18 : x - Step 2: Convert to fraction form
2,770,956.62/3,826,560.94 = 2,619,996.18/x - Step 3: Cross multiply
2,770,956.62x = 3,826,560.94 × 2,619,996.18 - Step 4: Simplify right side
2,770,956.62x = 10,025,575,032,237.23 - Step 5: Solve for x
x = 10,025,575,032,237.23/2,770,956.62 - Step 6: Final answer
x = 3,618,091.66
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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.