Finding the Fourth Proportional to 3,228,584.18, 4,455,761.09 and 2,411,369.72
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Solution
The fourth proportional to 3,228,584.18, 4,455,761.09 and 2,411,369.72 is: 3,327,925.42
Step by Step Solution
- Step 1: Write the proportion equation
3,228,584.18 : 4,455,761.09 = 2,411,369.72 : x - Step 2: Convert to fraction form
3,228,584.18/4,455,761.09 = 2,411,369.72/x - Step 3: Cross multiply
3,228,584.18x = 4,455,761.09 × 2,411,369.72 - Step 4: Simplify right side
3,228,584.18x = 10,744,487,371,980.20 - Step 5: Solve for x
x = 10,744,487,371,980.20/3,228,584.18 - Step 6: Final answer
x = 3,327,925.42
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1.5x scale
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.