Finding the Fourth Proportional to 1,966,583.16, 2,713,876.92 and 1,107,145.08
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Solution
The fourth proportional to 1,966,583.16, 2,713,876.92 and 1,107,145.08 is: 1,527,855.80
Step by Step Solution
- Step 1: Write the proportion equation
1,966,583.16 : 2,713,876.92 = 1,107,145.08 : x - Step 2: Convert to fraction form
1,966,583.16/2,713,876.92 = 1,107,145.08/x - Step 3: Cross multiply
1,966,583.16x = 2,713,876.92 × 1,107,145.08 - Step 4: Simplify right side
1,966,583.16x = 3,004,655,479,703.55 - Step 5: Solve for x
x = 3,004,655,479,703.55/1,966,583.16 - Step 6: Final answer
x = 1,527,855.80
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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.