Finding the Fourth Proportional to 5,280,048.08, 7,286,469.34 and 2,865,600.08
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Solution
The fourth proportional to 5,280,048.08, 7,286,469.34 and 2,865,600.08 is: 3,954,529.73
Step by Step Solution
- Step 1: Write the proportion equation
5,280,048.08 : 7,286,469.34 = 2,865,600.08 : x - Step 2: Convert to fraction form
5,280,048.08/7,286,469.34 = 2,865,600.08/x - Step 3: Cross multiply
5,280,048.08x = 7,286,469.34 × 2,865,600.08 - Step 4: Simplify right side
5,280,048.08x = 20,880,107,123,621.55 - Step 5: Solve for x
x = 20,880,107,123,621.55/5,280,048.08 - Step 6: Final answer
x = 3,954,529.73
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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.