Finding the Fourth Proportional to 3,693,218.81, 5,541,778.70 and 2,620,661.97
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Solution
The fourth proportional to 3,693,218.81, 5,541,778.70 and 2,620,661.97 is: 3,932,376.99
Step by Step Solution
- Step 1: Write the proportion equation
3,693,218.81 : 5,541,778.70 = 2,620,661.97 : x - Step 2: Convert to fraction form
3,693,218.81/5,541,778.70 = 2,620,661.97/x - Step 3: Cross multiply
3,693,218.81x = 5,541,778.70 × 2,620,661.97 - Step 4: Simplify right side
3,693,218.81x = 14,523,128,685,246.04 - Step 5: Solve for x
x = 14,523,128,685,246.04/3,693,218.81 - Step 6: Final answer
x = 3,932,376.99
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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.