Finding the Fourth Proportional to 5,274,801.47, 7,279,531.09 and 2,951,673.68
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Solution
The fourth proportional to 5,274,801.47, 7,279,531.09 and 2,951,673.68 is: 4,073,480.38
Step by Step Solution
- Step 1: Write the proportion equation
5,274,801.47 : 7,279,531.09 = 2,951,673.68 : x - Step 2: Convert to fraction form
5,274,801.47/7,279,531.09 = 2,951,673.68/x - Step 3: Cross multiply
5,274,801.47x = 7,279,531.09 × 2,951,673.68 - Step 4: Simplify right side
5,274,801.47x = 21,486,800,331,914.36 - Step 5: Solve for x
x = 21,486,800,331,914.36/5,274,801.47 - Step 6: Final answer
x = 4,073,480.38
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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.