Finding the Fourth Proportional to 6,879,455.74, 9,493,770 and 3,782,109.70
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Solution
The fourth proportional to 6,879,455.74, 9,493,770 and 3,782,109.70 is: 5,219,377.95
Step by Step Solution
- Step 1: Write the proportion equation
6,879,455.74 : 9,493,770 = 3,782,109.70 : x - Step 2: Convert to fraction form
6,879,455.74/9,493,770 = 3,782,109.70/x - Step 3: Cross multiply
6,879,455.74x = 9,493,770 × 3,782,109.70 - Step 4: Simplify right side
6,879,455.74x = 35,906,479,606,569 - Step 5: Solve for x
x = 35,906,479,606,569/6,879,455.74 - Step 6: Final answer
x = 5,219,377.95
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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.