Finding the Fourth Proportional to 1,582,729.36, 2,185,163.40 and 1,099,139.92
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Solution
The fourth proportional to 1,582,729.36, 2,185,163.40 and 1,099,139.92 is: 1,517,505.38
Step by Step Solution
- Step 1: Write the proportion equation
1,582,729.36 : 2,185,163.40 = 1,099,139.92 : x - Step 2: Convert to fraction form
1,582,729.36/2,185,163.40 = 1,099,139.92/x - Step 3: Cross multiply
1,582,729.36x = 2,185,163.40 × 1,099,139.92 - Step 4: Simplify right side
1,582,729.36x = 2,401,800,324,662.93 - Step 5: Solve for x
x = 2,401,800,324,662.93/1,582,729.36 - Step 6: Final answer
x = 1,517,505.38
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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.