Finding the Fourth Proportional to 3,190,578.62, 4,403,012.20 and 1,740,305.20
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Solution
The fourth proportional to 3,190,578.62, 4,403,012.20 and 1,740,305.20 is: 2,401,628.65
Step by Step Solution
- Step 1: Write the proportion equation
3,190,578.62 : 4,403,012.20 = 1,740,305.20 : x - Step 2: Convert to fraction form
3,190,578.62/4,403,012.20 = 1,740,305.20/x - Step 3: Cross multiply
3,190,578.62x = 4,403,012.20 × 1,740,305.20 - Step 4: Simplify right side
3,190,578.62x = 7,662,585,027,323.44 - Step 5: Solve for x
x = 7,662,585,027,323.44/3,190,578.62 - Step 6: Final answer
x = 2,401,628.65
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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.