Finding the Fourth Proportional to 5,509,918.47, 8,264,961.09 and 2,098,393.92
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Solution
The fourth proportional to 5,509,918.47, 8,264,961.09 and 2,098,393.92 is: 3,147,622.64
Step by Step Solution
- Step 1: Write the proportion equation
5,509,918.47 : 8,264,961.09 = 2,098,393.92 : x - Step 2: Convert to fraction form
5,509,918.47/8,264,961.09 = 2,098,393.92/x - Step 3: Cross multiply
5,509,918.47x = 8,264,961.09 × 2,098,393.92 - Step 4: Simplify right side
5,509,918.47x = 17,343,144,100,292.57 - Step 5: Solve for x
x = 17,343,144,100,292.57/5,509,918.47 - Step 6: Final answer
x = 3,147,622.64
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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.