Finding the Fourth Proportional to 4,211,740.14, 5,812,183.80 and 2,277,996.09
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Solution
The fourth proportional to 4,211,740.14, 5,812,183.80 and 2,277,996.09 is: 3,143,625.09
Step by Step Solution
- Step 1: Write the proportion equation
4,211,740.14 : 5,812,183.80 = 2,277,996.09 : x - Step 2: Convert to fraction form
4,211,740.14/5,812,183.80 = 2,277,996.09/x - Step 3: Cross multiply
4,211,740.14x = 5,812,183.80 × 2,277,996.09 - Step 4: Simplify right side
4,211,740.14x = 13,240,131,970,761.34 - Step 5: Solve for x
x = 13,240,131,970,761.34/4,211,740.14 - Step 6: Final answer
x = 3,143,625.09
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1.5x scale
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.