Finding the Fourth Proportional to 7,286,622.30, 10,929,933.45 and 2,237,276.70
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Solution
The fourth proportional to 7,286,622.30, 10,929,933.45 and 2,237,276.70 is: 3,355,915.05
Step by Step Solution
- Step 1: Write the proportion equation
7,286,622.30 : 10,929,933.45 = 2,237,276.70 : x - Step 2: Convert to fraction form
7,286,622.30/10,929,933.45 = 2,237,276.70/x - Step 3: Cross multiply
7,286,622.30x = 10,929,933.45 × 2,237,276.70 - Step 4: Simplify right side
7,286,622.30x = 24,453,285,440,235.62 - Step 5: Solve for x
x = 24,453,285,440,235.62/7,286,622.30 - Step 6: Final answer
x = 3,355,915.05
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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.