Finding the Fourth Proportional to 5,267,657.75, 7,901,489.69 and 1,481,140.62
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Solution
The fourth proportional to 5,267,657.75, 7,901,489.69 and 1,481,140.62 is: 2,221,711.79
Step by Step Solution
- Step 1: Write the proportion equation
5,267,657.75 : 7,901,489.69 = 1,481,140.62 : x - Step 2: Convert to fraction form
5,267,657.75/7,901,489.69 = 1,481,140.62/x - Step 3: Cross multiply
5,267,657.75x = 7,901,489.69 × 1,481,140.62 - Step 4: Simplify right side
5,267,657.75x = 11,703,217,336,518.78 - Step 5: Solve for x
x = 11,703,217,336,518.78/5,267,657.75 - Step 6: Final answer
x = 2,221,711.79
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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.