Finding the Fourth Proportional to 3,776,644.26, 5,211,622.80 and 2,057,777.64
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Solution
The fourth proportional to 3,776,644.26, 5,211,622.80 and 2,057,777.64 is: 2,839,653.44
Step by Step Solution
- Step 1: Write the proportion equation
3,776,644.26 : 5,211,622.80 = 2,057,777.64 : x - Step 2: Convert to fraction form
3,776,644.26/5,211,622.80 = 2,057,777.64/x - Step 3: Cross multiply
3,776,644.26x = 5,211,622.80 × 2,057,777.64 - Step 4: Simplify right side
3,776,644.26x = 10,724,360,865,954.19 - Step 5: Solve for x
x = 10,724,360,865,954.19/3,776,644.26 - Step 6: Final answer
x = 2,839,653.44
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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.