Finding the Fourth Proportional to 3,545,820.62, 5,320,694.37 and 2,198,706.38
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Solution
The fourth proportional to 3,545,820.62, 5,320,694.37 and 2,198,706.38 is: 3,299,277.07
Step by Step Solution
- Step 1: Write the proportion equation
3,545,820.62 : 5,320,694.37 = 2,198,706.38 : x - Step 2: Convert to fraction form
3,545,820.62/5,320,694.37 = 2,198,706.38/x - Step 3: Cross multiply
3,545,820.62x = 5,320,694.37 × 2,198,706.38 - Step 4: Simplify right side
3,545,820.62x = 11,698,644,657,349.08 - Step 5: Solve for x
x = 11,698,644,657,349.08/3,545,820.62 - Step 6: Final answer
x = 3,299,277.07
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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.