Finding the Fourth Proportional to 3,903,771.24, 5,385,976.74 and 2,184,618.60
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Solution
The fourth proportional to 3,903,771.24, 5,385,976.74 and 2,184,618.60 is: 3,014,086.70
Step by Step Solution
- Step 1: Write the proportion equation
3,903,771.24 : 5,385,976.74 = 2,184,618.60 : x - Step 2: Convert to fraction form
3,903,771.24/5,385,976.74 = 2,184,618.60/x - Step 3: Cross multiply
3,903,771.24x = 5,385,976.74 × 2,184,618.60 - Step 4: Simplify right side
3,903,771.24x = 11,766,304,965,371.37 - Step 5: Solve for x
x = 11,766,304,965,371.37/3,903,771.24 - Step 6: Final answer
x = 3,014,086.70
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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.