Finding the Fourth Proportional to 1,377,879.82, 1,901,481.53 and 757,724.97
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Solution
The fourth proportional to 1,377,879.82, 1,901,481.53 and 757,724.97 is: 1,045,664.52
Step by Step Solution
- Step 1: Write the proportion equation
1,377,879.82 : 1,901,481.53 = 757,724.97 : x - Step 2: Convert to fraction form
1,377,879.82/1,901,481.53 = 757,724.97/x - Step 3: Cross multiply
1,377,879.82x = 1,901,481.53 × 757,724.97 - Step 4: Simplify right side
1,377,879.82x = 1,440,800,041,542.01 - Step 5: Solve for x
x = 1,440,800,041,542.01/1,377,879.82 - Step 6: Final answer
x = 1,045,664.52
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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.