Finding the Fourth Proportional to 3,338,174.19, 4,606,927.82 and 1,868,230.05
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Solution
The fourth proportional to 3,338,174.19, 4,606,927.82 and 1,868,230.05 is: 2,578,295.94
Step by Step Solution
- Step 1: Write the proportion equation
3,338,174.19 : 4,606,927.82 = 1,868,230.05 : x - Step 2: Convert to fraction form
3,338,174.19/4,606,927.82 = 1,868,230.05/x - Step 3: Cross multiply
3,338,174.19x = 4,606,927.82 × 1,868,230.05 - Step 4: Simplify right side
3,338,174.19x = 8,606,800,971,893.72 - Step 5: Solve for x
x = 8,606,800,971,893.72/3,338,174.19 - Step 6: Final answer
x = 2,578,295.94
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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.