Finding the Fourth Proportional to 3,671,983.58, 5,067,236.63 and 2,040,349.05
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Solution
The fourth proportional to 3,671,983.58, 5,067,236.63 and 2,040,349.05 is: 2,815,625.73
Step by Step Solution
- Step 1: Write the proportion equation
3,671,983.58 : 5,067,236.63 = 2,040,349.05 : x - Step 2: Convert to fraction form
3,671,983.58/5,067,236.63 = 2,040,349.05/x - Step 3: Cross multiply
3,671,983.58x = 5,067,236.63 × 2,040,349.05 - Step 4: Simplify right side
3,671,983.58x = 10,338,931,433,943.96 - Step 5: Solve for x
x = 10,338,931,433,943.96/3,671,983.58 - Step 6: Final answer
x = 2,815,625.73
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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.