Finding the Fourth Proportional to 1,728,808.44, 2,382,900.18 and 1,155,639.48
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Solution
The fourth proportional to 1,728,808.44, 2,382,900.18 and 1,155,639.48 is: 1,592,873.72
Step by Step Solution
- Step 1: Write the proportion equation
1,728,808.44 : 2,382,900.18 = 1,155,639.48 : x - Step 2: Convert to fraction form
1,728,808.44/2,382,900.18 = 1,155,639.48/x - Step 3: Cross multiply
1,728,808.44x = 2,382,900.18 × 1,155,639.48 - Step 4: Simplify right side
1,728,808.44x = 2,753,773,524,907.11 - Step 5: Solve for x
x = 2,753,773,524,907.11/1,728,808.44 - Step 6: Final answer
x = 1,592,873.72
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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.