Finding the Fourth Proportional to 4,758,239.36, 7,137,369.20 and 3,344,620.96
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Solution
The fourth proportional to 4,758,239.36, 7,137,369.20 and 3,344,620.96 is: 5,016,938.58
Step by Step Solution
- Step 1: Write the proportion equation
4,758,239.36 : 7,137,369.20 = 3,344,620.96 : x - Step 2: Convert to fraction form
4,758,239.36/7,137,369.20 = 3,344,620.96/x - Step 3: Cross multiply
4,758,239.36x = 7,137,369.20 × 3,344,620.96 - Step 4: Simplify right side
4,758,239.36x = 23,871,794,625,578.43 - Step 5: Solve for x
x = 23,871,794,625,578.43/4,758,239.36 - Step 6: Final answer
x = 5,016,938.58
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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.