Finding the Fourth Proportional to 3,192,404.99, 4,788,473.51 and 1,485,961.47
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Solution
The fourth proportional to 3,192,404.99, 4,788,473.51 and 1,485,961.47 is: 2,228,879.85
Step by Step Solution
- Step 1: Write the proportion equation
3,192,404.99 : 4,788,473.51 = 1,485,961.47 : x - Step 2: Convert to fraction form
3,192,404.99/4,788,473.51 = 1,485,961.47/x - Step 3: Cross multiply
3,192,404.99x = 4,788,473.51 × 1,485,961.47 - Step 4: Simplify right side
3,192,404.99x = 7,115,487,128,545.85 - Step 5: Solve for x
x = 7,115,487,128,545.85/3,192,404.99 - Step 6: Final answer
x = 2,228,879.85
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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.