Finding the Fourth Proportional to 3,920,152.94, 5,880,450.84 and 1,395,808.19
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Solution
The fourth proportional to 3,920,152.94, 5,880,450.84 and 1,395,808.19 is: 2,093,791.13
Step by Step Solution
- Step 1: Write the proportion equation
3,920,152.94 : 5,880,450.84 = 1,395,808.19 : x - Step 2: Convert to fraction form
3,920,152.94/5,880,450.84 = 1,395,808.19/x - Step 3: Cross multiply
3,920,152.94x = 5,880,450.84 × 1,395,808.19 - Step 4: Simplify right side
3,920,152.94x = 8,207,981,443,364.38 - Step 5: Solve for x
x = 8,207,981,443,364.38/3,920,152.94 - Step 6: Final answer
x = 2,093,791.13
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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.