Finding the Fourth Proportional to 3,764,523.20, 5,195,038.07 and 2,045,639.61
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Solution
The fourth proportional to 3,764,523.20, 5,195,038.07 and 2,045,639.61 is: 2,822,980.52
Step by Step Solution
- Step 1: Write the proportion equation
3,764,523.20 : 5,195,038.07 = 2,045,639.61 : x - Step 2: Convert to fraction form
3,764,523.20/5,195,038.07 = 2,045,639.61/x - Step 3: Cross multiply
3,764,523.20x = 5,195,038.07 × 2,045,639.61 - Step 4: Simplify right side
3,764,523.20x = 10,627,175,656,564.05 - Step 5: Solve for x
x = 10,627,175,656,564.05/3,764,523.20 - Step 6: Final answer
x = 2,822,980.52
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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.