Finding the Fourth Proportional to 4,220,198.76, 5,823,529.56 and 2,477,684.64
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Solution
The fourth proportional to 4,220,198.76, 5,823,529.56 and 2,477,684.64 is: 3,419,002.41
Step by Step Solution
- Step 1: Write the proportion equation
4,220,198.76 : 5,823,529.56 = 2,477,684.64 : x - Step 2: Convert to fraction form
4,220,198.76/5,823,529.56 = 2,477,684.64/x - Step 3: Cross multiply
4,220,198.76x = 5,823,529.56 × 2,477,684.64 - Step 4: Simplify right side
4,220,198.76x = 14,428,869,741,397.96 - Step 5: Solve for x
x = 14,428,869,741,397.96/4,220,198.76 - Step 6: Final answer
x = 3,419,002.41
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Double scale
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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.