Finding the Fourth Proportional to 3,106,715.14, 4,288,021.91 and 1,799,755.98
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Solution
The fourth proportional to 3,106,715.14, 4,288,021.91 and 1,799,755.98 is: 2,484,100.64
Step by Step Solution
- Step 1: Write the proportion equation
3,106,715.14 : 4,288,021.91 = 1,799,755.98 : x - Step 2: Convert to fraction form
3,106,715.14/4,288,021.91 = 1,799,755.98/x - Step 3: Cross multiply
3,106,715.14x = 4,288,021.91 × 1,799,755.98 - Step 4: Simplify right side
3,106,715.14x = 7,717,393,074,893.52 - Step 5: Solve for x
x = 7,717,393,074,893.52/3,106,715.14 - Step 6: Final answer
x = 2,484,100.64
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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.