Finding the Fourth Proportional to 5,241,251.69, 7,862,216.53 and 1,647,168.70
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Solution
The fourth proportional to 5,241,251.69, 7,862,216.53 and 1,647,168.70 is: 2,470,859.59
Step by Step Solution
- Step 1: Write the proportion equation
5,241,251.69 : 7,862,216.53 = 1,647,168.70 : x - Step 2: Convert to fraction form
5,241,251.69/7,862,216.53 = 1,647,168.70/x - Step 3: Cross multiply
5,241,251.69x = 7,862,216.53 × 1,647,168.70 - Step 4: Simplify right side
5,241,251.69x = 12,950,396,980,838.61 - Step 5: Solve for x
x = 12,950,396,980,838.61/5,241,251.69 - Step 6: Final answer
x = 2,470,859.59
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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.