Finding the Fourth Proportional to 1,639,341.92, 2,262,301.56 and 914,235.44
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Solution
The fourth proportional to 1,639,341.92, 2,262,301.56 and 914,235.44 is: 1,261,650.32
Step by Step Solution
- Step 1: Write the proportion equation
1,639,341.92 : 2,262,301.56 = 914,235.44 : x - Step 2: Convert to fraction form
1,639,341.92/2,262,301.56 = 914,235.44/x - Step 3: Cross multiply
1,639,341.92x = 2,262,301.56 × 914,235.44 - Step 4: Simplify right side
1,639,341.92x = 2,068,276,262,119.29 - Step 5: Solve for x
x = 2,068,276,262,119.29/1,639,341.92 - Step 6: Final answer
x = 1,261,650.32
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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.