Finding the Fourth Proportional to 3,721,197.80, 5,583,351.90 and 1,197,626.60
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Solution
The fourth proportional to 3,721,197.80, 5,583,351.90 and 1,197,626.60 is: 1,796,940.42
Step by Step Solution
- Step 1: Write the proportion equation
3,721,197.80 : 5,583,351.90 = 1,197,626.60 : x - Step 2: Convert to fraction form
3,721,197.80/5,583,351.90 = 1,197,626.60/x - Step 3: Cross multiply
3,721,197.80x = 5,583,351.90 × 1,197,626.60 - Step 4: Simplify right side
3,721,197.80x = 6,686,770,752,600.54 - Step 5: Solve for x
x = 6,686,770,752,600.54/3,721,197.80 - Step 6: Final answer
x = 1,796,940.42
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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.