Finding the Fourth Proportional to 3,330,749.09, 4,988,556.60 and 2,606,577.68
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Solution
The fourth proportional to 3,330,749.09, 4,988,556.60 and 2,606,577.68 is: 3,903,944.70
Step by Step Solution
- Step 1: Write the proportion equation
3,330,749.09 : 4,988,556.60 = 2,606,577.68 : x - Step 2: Convert to fraction form
3,330,749.09/4,988,556.60 = 2,606,577.68/x - Step 3: Cross multiply
3,330,749.09x = 4,988,556.60 × 2,606,577.68 - Step 4: Simplify right side
3,330,749.09x = 13,003,060,278,274.78 - Step 5: Solve for x
x = 13,003,060,278,274.78/3,330,749.09 - Step 6: Final answer
x = 3,903,944.70
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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.