Finding the Fourth Proportional to 5,981,470.16, 8,972,205.63 and 4,777,756.70
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Solution
The fourth proportional to 5,981,470.16, 8,972,205.63 and 4,777,756.70 is: 7,166,635.36
Step by Step Solution
- Step 1: Write the proportion equation
5,981,470.16 : 8,972,205.63 = 4,777,756.70 : x - Step 2: Convert to fraction form
5,981,470.16/8,972,205.63 = 4,777,756.70/x - Step 3: Cross multiply
5,981,470.16x = 8,972,205.63 × 4,777,756.70 - Step 4: Simplify right side
5,981,470.16x = 42,867,015,562,510.23 - Step 5: Solve for x
x = 42,867,015,562,510.23/5,981,470.16 - Step 6: Final answer
x = 7,166,635.36
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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.