Finding the Fourth Proportional to 4,922,370.09, 7,383,555.17 and 1,328,137.04
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Solution
The fourth proportional to 4,922,370.09, 7,383,555.17 and 1,328,137.04 is: 1,992,205.56
Step by Step Solution
- Step 1: Write the proportion equation
4,922,370.09 : 7,383,555.17 = 1,328,137.04 : x - Step 2: Convert to fraction form
4,922,370.09/7,383,555.17 = 1,328,137.04/x - Step 3: Cross multiply
4,922,370.09x = 7,383,555.17 × 1,328,137.04 - Step 4: Simplify right side
4,922,370.09x = 9,806,373,064,602.04 - Step 5: Solve for x
x = 9,806,373,064,602.04/4,922,370.09 - Step 6: Final answer
x = 1,992,205.56
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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.