Finding the Fourth Proportional to 1,347,121.07, 1,858,894.76 and 743,470.19
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Solution
The fourth proportional to 1,347,121.07, 1,858,894.76 and 743,470.19 is: 1,025,915.83
Step by Step Solution
- Step 1: Write the proportion equation
1,347,121.07 : 1,858,894.76 = 743,470.19 : x - Step 2: Convert to fraction form
1,347,121.07/1,858,894.76 = 743,470.19/x - Step 3: Cross multiply
1,347,121.07x = 1,858,894.76 × 743,470.19 - Step 4: Simplify right side
1,347,121.07x = 1,382,032,836,689.85 - Step 5: Solve for x
x = 1,382,032,836,689.85/1,347,121.07 - Step 6: Final answer
x = 1,025,915.83
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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.