Finding the Fourth Proportional to 5,524,825.20, 8,287,237.80 and 5,046,528.30
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Solution
The fourth proportional to 5,524,825.20, 8,287,237.80 and 5,046,528.30 is: 7,569,792.45
Step by Step Solution
- Step 1: Write the proportion equation
5,524,825.20 : 8,287,237.80 = 5,046,528.30 : x - Step 2: Convert to fraction form
5,524,825.20/8,287,237.80 = 5,046,528.30/x - Step 3: Cross multiply
5,524,825.20x = 8,287,237.80 × 5,046,528.30 - Step 4: Simplify right side
5,524,825.20x = 41,821,780,086,529.73 - Step 5: Solve for x
x = 41,821,780,086,529.73/5,524,825.20 - Step 6: Final answer
x = 7,569,792.45
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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.