Finding the Fourth Proportional to 1,639,392.27, 2,262,356.94 and 914,240.82
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Solution
The fourth proportional to 1,639,392.27, 2,262,356.94 and 914,240.82 is: 1,261,649.88
Step by Step Solution
- Step 1: Write the proportion equation
1,639,392.27 : 2,262,356.94 = 914,240.82 : x - Step 2: Convert to fraction form
1,639,392.27/2,262,356.94 = 914,240.82/x - Step 3: Cross multiply
1,639,392.27x = 2,262,356.94 × 914,240.82 - Step 4: Simplify right side
1,639,392.27x = 2,068,339,063,958.29 - Step 5: Solve for x
x = 2,068,339,063,958.29/1,639,392.27 - Step 6: Final answer
x = 1,261,649.88
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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.