Finding the Fourth Proportional to 3,821,136.95, 5,273,168.81 and 2,102,220.56
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Solution
The fourth proportional to 3,821,136.95, 5,273,168.81 and 2,102,220.56 is: 2,901,064.28
Step by Step Solution
- Step 1: Write the proportion equation
3,821,136.95 : 5,273,168.81 = 2,102,220.56 : x - Step 2: Convert to fraction form
3,821,136.95/5,273,168.81 = 2,102,220.56/x - Step 3: Cross multiply
3,821,136.95x = 5,273,168.81 × 2,102,220.56 - Step 4: Simplify right side
3,821,136.95x = 11,085,363,907,171.21 - Step 5: Solve for x
x = 11,085,363,907,171.21/3,821,136.95 - Step 6: Final answer
x = 2,901,064.28
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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.