Finding the Fourth Proportional to 3,962,116.39, 5,467,740.79 and 2,243,571.79
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Solution
The fourth proportional to 3,962,116.39, 5,467,740.79 and 2,243,571.79 is: 3,096,140.49
Step by Step Solution
- Step 1: Write the proportion equation
3,962,116.39 : 5,467,740.79 = 2,243,571.79 : x - Step 2: Convert to fraction form
3,962,116.39/5,467,740.79 = 2,243,571.79/x - Step 3: Cross multiply
3,962,116.39x = 5,467,740.79 × 2,243,571.79 - Step 4: Simplify right side
3,962,116.39x = 12,267,268,991,476.31 - Step 5: Solve for x
x = 12,267,268,991,476.31/3,962,116.39 - Step 6: Final answer
x = 3,096,140.49
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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.