Finding the Fourth Proportional to 1,682,558.97, 2,321,919.39 and 918,612.54
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Solution
The fourth proportional to 1,682,558.97, 2,321,919.39 and 918,612.54 is: 1,267,678.76
Step by Step Solution
- Step 1: Write the proportion equation
1,682,558.97 : 2,321,919.39 = 918,612.54 : x - Step 2: Convert to fraction form
1,682,558.97/2,321,919.39 = 918,612.54/x - Step 3: Cross multiply
1,682,558.97x = 2,321,919.39 × 918,612.54 - Step 4: Simplify right side
1,682,558.97x = 2,132,944,268,523.15 - Step 5: Solve for x
x = 2,132,944,268,523.15/1,682,558.97 - Step 6: Final answer
x = 1,267,678.76
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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.