Finding the Fourth Proportional to 2,178,186.97, 3,267,485.34 and 641,183.40
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Solution
The fourth proportional to 2,178,186.97, 3,267,485.34 and 641,183.40 is: 961,835.41
Step by Step Solution
- Step 1: Write the proportion equation
2,178,186.97 : 3,267,485.34 = 641,183.40 : x - Step 2: Convert to fraction form
2,178,186.97/3,267,485.34 = 641,183.40/x - Step 3: Cross multiply
2,178,186.97x = 3,267,485.34 × 641,183.40 - Step 4: Simplify right side
2,178,186.97x = 2,095,057,359,751.36 - Step 5: Solve for x
x = 2,095,057,359,751.36/2,178,186.97 - Step 6: Final answer
x = 961,835.41
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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.