Finding the Fourth Proportional to 3,106,316.44, 4,288,039.37 and 2,088,311.68
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Solution
The fourth proportional to 3,106,316.44, 4,288,039.37 and 2,088,311.68 is: 2,882,759.33
Step by Step Solution
- Step 1: Write the proportion equation
3,106,316.44 : 4,288,039.37 = 2,088,311.68 : x - Step 2: Convert to fraction form
3,106,316.44/4,288,039.37 = 2,088,311.68/x - Step 3: Cross multiply
3,106,316.44x = 4,288,039.37 × 2,088,311.68 - Step 4: Simplify right side
3,106,316.44x = 8,954,762,700,670.84 - Step 5: Solve for x
x = 8,954,762,700,670.84/3,106,316.44 - Step 6: Final answer
x = 2,882,759.33
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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.