Finding the Fourth Proportional to 5,189,087.16, 7,783,630.92 and 3,778,122.24
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Solution
The fourth proportional to 5,189,087.16, 7,783,630.92 and 3,778,122.24 is: 5,667,183.49
Step by Step Solution
- Step 1: Write the proportion equation
5,189,087.16 : 7,783,630.92 = 3,778,122.24 : x - Step 2: Convert to fraction form
5,189,087.16/7,783,630.92 = 3,778,122.24/x - Step 3: Cross multiply
5,189,087.16x = 7,783,630.92 × 3,778,122.24 - Step 4: Simplify right side
5,189,087.16x = 29,407,509,086,803.66 - Step 5: Solve for x
x = 29,407,509,086,803.66/5,189,087.16 - Step 6: Final answer
x = 5,667,183.49
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1.5x scale
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.