Finding the Fourth Proportional to 3,672,484.71, 5,067,626.40 and 2,123,511.99
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Solution
The fourth proportional to 3,672,484.71, 5,067,626.40 and 2,123,511.99 is: 2,930,213.81
Step by Step Solution
- Step 1: Write the proportion equation
3,672,484.71 : 5,067,626.40 = 2,123,511.99 : x - Step 2: Convert to fraction form
3,672,484.71/5,067,626.40 = 2,123,511.99/x - Step 3: Cross multiply
3,672,484.71x = 5,067,626.40 × 2,123,511.99 - Step 4: Simplify right side
3,672,484.71x = 10,761,165,421,240.54 - Step 5: Solve for x
x = 10,761,165,421,240.54/3,672,484.71 - Step 6: Final answer
x = 2,930,213.81
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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.