Finding the Fourth Proportional to 3,450,949.12, 4,762,343.08 and 1,902,270.63
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Solution
The fourth proportional to 3,450,949.12, 4,762,343.08 and 1,902,270.63 is: 2,625,151.82
Step by Step Solution
- Step 1: Write the proportion equation
3,450,949.12 : 4,762,343.08 = 1,902,270.63 : x - Step 2: Convert to fraction form
3,450,949.12/4,762,343.08 = 1,902,270.63/x - Step 3: Cross multiply
3,450,949.12x = 4,762,343.08 × 1,902,270.63 - Step 4: Simplify right side
3,450,949.12x = 9,059,265,361,556.39 - Step 5: Solve for x
x = 9,059,265,361,556.39/3,450,949.12 - Step 6: Final answer
x = 2,625,151.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.