Finding the Fourth Proportional to 3,190,744.83, 4,403,241.56 and 1,740,471.87
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Solution
The fourth proportional to 3,190,744.83, 4,403,241.56 and 1,740,471.87 is: 2,401,858.65
Step by Step Solution
- Step 1: Write the proportion equation
3,190,744.83 : 4,403,241.56 = 1,740,471.87 : x - Step 2: Convert to fraction form
3,190,744.83/4,403,241.56 = 1,740,471.87/x - Step 3: Cross multiply
3,190,744.83x = 4,403,241.56 × 1,740,471.87 - Step 4: Simplify right side
3,190,744.83x = 7,663,718,063,292.56 - Step 5: Solve for x
x = 7,663,718,063,292.56/3,190,744.83 - Step 6: Final answer
x = 2,401,858.65
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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.