Finding the Fourth Proportional to 3,776,676.84, 5,211,814.79 and 2,057,797.36
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Solution
The fourth proportional to 3,776,676.84, 5,211,814.79 and 2,057,797.36 is: 2,839,760.76
Step by Step Solution
- Step 1: Write the proportion equation
3,776,676.84 : 5,211,814.79 = 2,057,797.36 : x - Step 2: Convert to fraction form
3,776,676.84/5,211,814.79 = 2,057,797.36/x - Step 3: Cross multiply
3,776,676.84x = 5,211,814.79 × 2,057,797.36 - Step 4: Simplify right side
3,776,676.84x = 10,724,858,692,352.43 - Step 5: Solve for x
x = 10,724,858,692,352.43/3,776,676.84 - Step 6: Final answer
x = 2,839,760.76
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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.