Finding the Fourth Proportional to 5,509,455, 8,259,449.40 and 1,914,754.92
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Solution
The fourth proportional to 5,509,455, 8,259,449.40 and 1,914,754.92 is: 2,870,487.44
Step by Step Solution
- Step 1: Write the proportion equation
5,509,455 : 8,259,449.40 = 1,914,754.92 : x - Step 2: Convert to fraction form
5,509,455/8,259,449.40 = 1,914,754.92/x - Step 3: Cross multiply
5,509,455x = 8,259,449.40 × 1,914,754.92 - Step 4: Simplify right side
5,509,455x = 15,814,821,375,141.05 - Step 5: Solve for x
x = 15,814,821,375,141.05/5,509,455 - Step 6: Final answer
x = 2,870,487.44
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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.