Finding the Fourth Proportional to 1,338,275.07, 1,846,821.39 and 726,427.44
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Solution
The fourth proportional to 1,338,275.07, 1,846,821.39 and 726,427.44 is: 1,002,470.84
Step by Step Solution
- Step 1: Write the proportion equation
1,338,275.07 : 1,846,821.39 = 726,427.44 : x - Step 2: Convert to fraction form
1,338,275.07/1,846,821.39 = 726,427.44/x - Step 3: Cross multiply
1,338,275.07x = 1,846,821.39 × 726,427.44 - Step 4: Simplify right side
1,338,275.07x = 1,341,581,734,474.94 - Step 5: Solve for x
x = 1,341,581,734,474.94/1,338,275.07 - Step 6: Final answer
x = 1,002,470.84
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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.