Finding the Fourth Proportional to 4,292,448.94, 5,917,660.53 and 3,424,230.44
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Solution
The fourth proportional to 4,292,448.94, 5,917,660.53 and 3,424,230.44 is: 4,720,716.22
Step by Step Solution
- Step 1: Write the proportion equation
4,292,448.94 : 5,917,660.53 = 3,424,230.44 : x - Step 2: Convert to fraction form
4,292,448.94/5,917,660.53 = 3,424,230.44/x - Step 3: Cross multiply
4,292,448.94x = 5,917,660.53 × 3,424,230.44 - Step 4: Simplify right side
4,292,448.94x = 20,263,433,320,412.54 - Step 5: Solve for x
x = 20,263,433,320,412.54/4,292,448.94 - Step 6: Final answer
x = 4,720,716.22
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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.