Finding the Fourth Proportional to 1,485,197.16, 2,049,517.20 and 806,119.08
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Solution
The fourth proportional to 1,485,197.16, 2,049,517.20 and 806,119.08 is: 1,112,414.54
Step by Step Solution
- Step 1: Write the proportion equation
1,485,197.16 : 2,049,517.20 = 806,119.08 : x - Step 2: Convert to fraction form
1,485,197.16/2,049,517.20 = 806,119.08/x - Step 3: Cross multiply
1,485,197.16x = 2,049,517.20 × 806,119.08 - Step 4: Simplify right side
1,485,197.16x = 1,652,154,919,708.18 - Step 5: Solve for x
x = 1,652,154,919,708.18/1,485,197.16 - Step 6: Final answer
x = 1,112,414.54
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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.