Finding the Fourth Proportional to 3,865,644.09, 5,794,091.06 and 1,968,377.85
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Solution
The fourth proportional to 3,865,644.09, 5,794,091.06 and 1,968,377.85 is: 2,950,338.99
Step by Step Solution
- Step 1: Write the proportion equation
3,865,644.09 : 5,794,091.06 = 1,968,377.85 : x - Step 2: Convert to fraction form
3,865,644.09/5,794,091.06 = 1,968,377.85/x - Step 3: Cross multiply
3,865,644.09x = 5,794,091.06 × 1,968,377.85 - Step 4: Simplify right side
3,865,644.09x = 11,404,960,493,545.13 - Step 5: Solve for x
x = 11,404,960,493,545.13/3,865,644.09 - Step 6: Final answer
x = 2,950,338.99
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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.