Finding the Fourth Proportional to 5,219,706.48, 7,835,286.60 and 4,147,113.12
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Solution
The fourth proportional to 5,219,706.48, 7,835,286.60 and 4,147,113.12 is: 6,225,219.75
Step by Step Solution
- Step 1: Write the proportion equation
5,219,706.48 : 7,835,286.60 = 4,147,113.12 : x - Step 2: Convert to fraction form
5,219,706.48/7,835,286.60 = 4,147,113.12/x - Step 3: Cross multiply
5,219,706.48x = 7,835,286.60 × 4,147,113.12 - Step 4: Simplify right side
5,219,706.48x = 32,493,819,857,820.19 - Step 5: Solve for x
x = 32,493,819,857,820.19/5,219,706.48 - Step 6: Final answer
x = 6,225,219.75
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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.