Finding the Fourth Proportional to 4,886,783.80, 7,322,958.60 and 3,541,778.80
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Solution
The fourth proportional to 4,886,783.80, 7,322,958.60 and 3,541,778.80 is: 5,307,437.49
Step by Step Solution
- Step 1: Write the proportion equation
4,886,783.80 : 7,322,958.60 = 3,541,778.80 : x - Step 2: Convert to fraction form
4,886,783.80/7,322,958.60 = 3,541,778.80/x - Step 3: Cross multiply
4,886,783.80x = 7,322,958.60 × 3,541,778.80 - Step 4: Simplify right side
4,886,783.80x = 25,936,299,522,757.68 - Step 5: Solve for x
x = 25,936,299,522,757.68/4,886,783.80 - Step 6: Final answer
x = 5,307,437.49
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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.