Finding the Fourth Proportional to 3,622,335.48, 4,998,942.81 and 1,990,800.68
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Solution
The fourth proportional to 3,622,335.48, 4,998,942.81 and 1,990,800.68 is: 2,747,370.80
Step by Step Solution
- Step 1: Write the proportion equation
3,622,335.48 : 4,998,942.81 = 1,990,800.68 : x - Step 2: Convert to fraction form
3,622,335.48/4,998,942.81 = 1,990,800.68/x - Step 3: Cross multiply
3,622,335.48x = 4,998,942.81 × 1,990,800.68 - Step 4: Simplify right side
3,622,335.48x = 9,951,898,720,434.40 - Step 5: Solve for x
x = 9,951,898,720,434.40/3,622,335.48 - Step 6: Final answer
x = 2,747,370.80
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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.