Finding the Fourth Proportional to 4,524,694.40, 6,786,688.80 and 2,630,227.52
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Solution
The fourth proportional to 4,524,694.40, 6,786,688.80 and 2,630,227.52 is: 3,945,136.20
Step by Step Solution
- Step 1: Write the proportion equation
4,524,694.40 : 6,786,688.80 = 2,630,227.52 : x - Step 2: Convert to fraction form
4,524,694.40/6,786,688.80 = 2,630,227.52/x - Step 3: Cross multiply
4,524,694.40x = 6,786,688.80 × 2,630,227.52 - Step 4: Simplify right side
4,524,694.40x = 17,850,535,651,435.78 - Step 5: Solve for x
x = 17,850,535,651,435.78/4,524,694.40 - Step 6: Final answer
x = 3,945,136.20
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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.