Finding the Fourth Proportional to 2,098,706.70, 3,131,691.66 and 1,872,512.22
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Solution
The fourth proportional to 2,098,706.70, 3,131,691.66 and 1,872,512.22 is: 2,794,164.09
Step by Step Solution
- Step 1: Write the proportion equation
2,098,706.70 : 3,131,691.66 = 1,872,512.22 : x - Step 2: Convert to fraction form
2,098,706.70/3,131,691.66 = 1,872,512.22/x - Step 3: Cross multiply
2,098,706.70x = 3,131,691.66 × 1,872,512.22 - Step 4: Simplify right side
2,098,706.70x = 5,864,130,902,622.09 - Step 5: Solve for x
x = 5,864,130,902,622.09/2,098,706.70 - Step 6: Final answer
x = 2,794,164.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.