Finding the Fourth Proportional to 2,529,106.20, 3,792,139.93 and 1,161,168.05
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Solution
The fourth proportional to 2,529,106.20, 3,792,139.93 and 1,161,168.05 is: 1,741,054.50
Step by Step Solution
- Step 1: Write the proportion equation
2,529,106.20 : 3,792,139.93 = 1,161,168.05 : x - Step 2: Convert to fraction form
2,529,106.20/3,792,139.93 = 1,161,168.05/x - Step 3: Cross multiply
2,529,106.20x = 3,792,139.93 × 1,161,168.05 - Step 4: Simplify right side
2,529,106.20x = 4,403,311,738,777.05 - Step 5: Solve for x
x = 4,403,311,738,777.05/2,529,106.20 - Step 6: Final answer
x = 1,741,054.50
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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.