Finding the Fourth Proportional to 1,639,806.08, 2,262,935.84 and 914,635.13
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Solution
The fourth proportional to 1,639,806.08, 2,262,935.84 and 914,635.13 is: 1,262,198.40
Step by Step Solution
- Step 1: Write the proportion equation
1,639,806.08 : 2,262,935.84 = 914,635.13 : x - Step 2: Convert to fraction form
1,639,806.08/2,262,935.84 = 914,635.13/x - Step 3: Cross multiply
1,639,806.08x = 2,262,935.84 × 914,635.13 - Step 4: Simplify right side
1,639,806.08x = 2,069,760,600,312.20 - Step 5: Solve for x
x = 2,069,760,600,312.20/1,639,806.08 - Step 6: Final answer
x = 1,262,198.40
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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.