Finding the Fourth Proportional to 5,754,057.30, 7,940,559.95 and 3,175,737.99
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Solution
The fourth proportional to 5,754,057.30, 7,940,559.95 and 3,175,737.99 is: 4,382,496.83
Step by Step Solution
- Step 1: Write the proportion equation
5,754,057.30 : 7,940,559.95 = 3,175,737.99 : x - Step 2: Convert to fraction form
5,754,057.30/7,940,559.95 = 3,175,737.99/x - Step 3: Cross multiply
5,754,057.30x = 7,940,559.95 × 3,175,737.99 - Step 4: Simplify right side
5,754,057.30x = 25,217,137,879,208.81 - Step 5: Solve for x
x = 25,217,137,879,208.81/5,754,057.30 - Step 6: Final answer
x = 4,382,496.83
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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.