Finding the Fourth Proportional to 2,992,906.80, 4,484,435.40 and 1,728,529.20
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Solution
The fourth proportional to 2,992,906.80, 4,484,435.40 and 1,728,529.20 is: 2,589,949.52
Step by Step Solution
- Step 1: Write the proportion equation
2,992,906.80 : 4,484,435.40 = 1,728,529.20 : x - Step 2: Convert to fraction form
2,992,906.80/4,484,435.40 = 1,728,529.20/x - Step 3: Cross multiply
2,992,906.80x = 4,484,435.40 × 1,728,529.20 - Step 4: Simplify right side
2,992,906.80x = 7,751,477,534,413.68 - Step 5: Solve for x
x = 7,751,477,534,413.68/2,992,906.80 - Step 6: Final answer
x = 2,589,949.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.