Finding the Fourth Proportional to 3,617,939.85, 4,992,533.30 and 1,986,338.07
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Solution
The fourth proportional to 3,617,939.85, 4,992,533.30 and 1,986,338.07 is: 2,741,023.72
Step by Step Solution
- Step 1: Write the proportion equation
3,617,939.85 : 4,992,533.30 = 1,986,338.07 : x - Step 2: Convert to fraction form
3,617,939.85/4,992,533.30 = 1,986,338.07/x - Step 3: Cross multiply
3,617,939.85x = 4,992,533.30 × 1,986,338.07 - Step 4: Simplify right side
3,617,939.85x = 9,916,858,959,532.73 - Step 5: Solve for x
x = 9,916,858,959,532.73/3,617,939.85 - Step 6: Final answer
x = 2,741,023.72
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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.