Finding the Fourth Proportional to 7,784,311.45, 11,676,439.62 and 2,104,534.75
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Solution
The fourth proportional to 7,784,311.45, 11,676,439.62 and 2,104,534.75 is: 3,156,794.68
Step by Step Solution
- Step 1: Write the proportion equation
7,784,311.45 : 11,676,439.62 = 2,104,534.75 : x - Step 2: Convert to fraction form
7,784,311.45/11,676,439.62 = 2,104,534.75/x - Step 3: Cross multiply
7,784,311.45x = 11,676,439.62 × 2,104,534.75 - Step 4: Simplify right side
7,784,311.45x = 24,573,472,936,566.79 - Step 5: Solve for x
x = 24,573,472,936,566.79/7,784,311.45 - Step 6: Final answer
x = 3,156,794.68
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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.