Finding the Fourth Proportional to 3,829,149.98, 5,284,227.81 and 2,086,819.79
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Solution
The fourth proportional to 3,829,149.98, 5,284,227.81 and 2,086,819.79 is: 2,879,811.76
Step by Step Solution
- Step 1: Write the proportion equation
3,829,149.98 : 5,284,227.81 = 2,086,819.79 : x - Step 2: Convert to fraction form
3,829,149.98/5,284,227.81 = 2,086,819.79/x - Step 3: Cross multiply
3,829,149.98x = 5,284,227.81 × 2,086,819.79 - Step 4: Simplify right side
3,829,149.98x = 11,027,231,142,355.22 - Step 5: Solve for x
x = 11,027,231,142,355.22/3,829,149.98 - Step 6: Final answer
x = 2,879,811.76
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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.