Finding the Fourth Proportional to 5,188,270.20, 7,785,437.94 and 3,747,532.92
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Solution
The fourth proportional to 5,188,270.20, 7,785,437.94 and 3,747,532.92 is: 5,623,489.88
Step by Step Solution
- Step 1: Write the proportion equation
5,188,270.20 : 7,785,437.94 = 3,747,532.92 : x - Step 2: Convert to fraction form
5,188,270.20/7,785,437.94 = 3,747,532.92/x - Step 3: Cross multiply
5,188,270.20x = 7,785,437.94 × 3,747,532.92 - Step 4: Simplify right side
5,188,270.20x = 29,176,184,976,766.98 - Step 5: Solve for x
x = 29,176,184,976,766.98/5,188,270.20 - Step 6: Final answer
x = 5,623,489.88
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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.