Finding the Fourth Proportional to 1,998,976.20, 2,758,652.37 and 1,093,558.20
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Solution
The fourth proportional to 1,998,976.20, 2,758,652.37 and 1,093,558.20 is: 1,509,145.99
Step by Step Solution
- Step 1: Write the proportion equation
1,998,976.20 : 2,758,652.37 = 1,093,558.20 : x - Step 2: Convert to fraction form
1,998,976.20/2,758,652.37 = 1,093,558.20/x - Step 3: Cross multiply
1,998,976.20x = 2,758,652.37 × 1,093,558.20 - Step 4: Simplify right side
1,998,976.20x = 3,016,746,920,162.93 - Step 5: Solve for x
x = 3,016,746,920,162.93/1,998,976.20 - Step 6: Final answer
x = 1,509,145.99
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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.