Finding the Fourth Proportional to 2,382,676.54, 3,288,571.88 and 1,415,620.67
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Solution
The fourth proportional to 2,382,676.54, 3,288,571.88 and 1,415,620.67 is: 1,953,840.67
Step by Step Solution
- Step 1: Write the proportion equation
2,382,676.54 : 3,288,571.88 = 1,415,620.67 : x - Step 2: Convert to fraction form
2,382,676.54/3,288,571.88 = 1,415,620.67/x - Step 3: Cross multiply
2,382,676.54x = 3,288,571.88 × 1,415,620.67 - Step 4: Simplify right side
2,382,676.54x = 4,655,370,321,030.66 - Step 5: Solve for x
x = 4,655,370,321,030.66/2,382,676.54 - Step 6: Final answer
x = 1,953,840.67
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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.