Finding the Fourth Proportional to 1,347,122.07, 1,858,896.13 and 743,471.19
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Solution
The fourth proportional to 1,347,122.07, 1,858,896.13 and 743,471.19 is: 1,025,917.21
Step by Step Solution
- Step 1: Write the proportion equation
1,347,122.07 : 1,858,896.13 = 743,471.19 : x - Step 2: Convert to fraction form
1,347,122.07/1,858,896.13 = 743,471.19/x - Step 3: Cross multiply
1,347,122.07x = 1,858,896.13 × 743,471.19 - Step 4: Simplify right side
1,347,122.07x = 1,382,035,717,857.49 - Step 5: Solve for x
x = 1,382,035,717,857.49/1,347,122.07 - Step 6: Final answer
x = 1,025,917.21
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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.