Finding the Fourth Proportional to 3,622,326.48, 4,998,930.39 and 1,990,791.68
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Solution
The fourth proportional to 3,622,326.48, 4,998,930.39 and 1,990,791.68 is: 2,747,358.38
Step by Step Solution
- Step 1: Write the proportion equation
3,622,326.48 : 4,998,930.39 = 1,990,791.68 : x - Step 2: Convert to fraction form
3,622,326.48/4,998,930.39 = 1,990,791.68/x - Step 3: Cross multiply
3,622,326.48x = 4,998,930.39 × 1,990,791.68 - Step 4: Simplify right side
3,622,326.48x = 9,951,829,004,316.50 - Step 5: Solve for x
x = 9,951,829,004,316.50/3,622,326.48 - Step 6: Final answer
x = 2,747,358.38
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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.