Finding the Fourth Proportional to 6,543,414.24, 9,029,706.53 and 3,790,155.44
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Solution
The fourth proportional to 6,543,414.24, 9,029,706.53 and 3,790,155.44 is: 5,230,295.68
Step by Step Solution
- Step 1: Write the proportion equation
6,543,414.24 : 9,029,706.53 = 3,790,155.44 : x - Step 2: Convert to fraction form
6,543,414.24/9,029,706.53 = 3,790,155.44/x - Step 3: Cross multiply
6,543,414.24x = 9,029,706.53 × 3,790,155.44 - Step 4: Simplify right side
6,543,414.24x = 34,223,991,262,183.71 - Step 5: Solve for x
x = 34,223,991,262,183.71/6,543,414.24 - Step 6: Final answer
x = 5,230,295.68
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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.