Finding the Fourth Proportional to 2,093,880.84, 2,888,819.67 and 1,369,152.78
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Solution
The fourth proportional to 2,093,880.84, 2,888,819.67 and 1,369,152.78 is: 1,888,949.65
Step by Step Solution
- Step 1: Write the proportion equation
2,093,880.84 : 2,888,819.67 = 1,369,152.78 : x - Step 2: Convert to fraction form
2,093,880.84/2,888,819.67 = 1,369,152.78/x - Step 3: Cross multiply
2,093,880.84x = 2,888,819.67 × 1,369,152.78 - Step 4: Simplify right side
2,093,880.84x = 3,955,235,482,099.18 - Step 5: Solve for x
x = 3,955,235,482,099.18/2,093,880.84 - Step 6: Final answer
x = 1,888,949.65
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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.