Finding the Fourth Proportional to 4,292,447.94, 5,917,659.15 and 3,424,229.44
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Solution
The fourth proportional to 4,292,447.94, 5,917,659.15 and 3,424,229.44 is: 4,720,714.84
Step by Step Solution
- Step 1: Write the proportion equation
4,292,447.94 : 5,917,659.15 = 3,424,229.44 : x - Step 2: Convert to fraction form
4,292,447.94/5,917,659.15 = 3,424,229.44/x - Step 3: Cross multiply
4,292,447.94x = 5,917,659.15 × 3,424,229.44 - Step 4: Simplify right side
4,292,447.94x = 20,263,422,677,315.38 - Step 5: Solve for x
x = 20,263,422,677,315.38/4,292,447.94 - Step 6: Final answer
x = 4,720,714.84
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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.