Finding the Fourth Proportional to 2,661,412.71, 3,672,745.97 and 1,515,493.11
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Solution
The fourth proportional to 2,661,412.71, 3,672,745.97 and 1,515,493.11 is: 2,091,378.46
Step by Step Solution
- Step 1: Write the proportion equation
2,661,412.71 : 3,672,745.97 = 1,515,493.11 : x - Step 2: Convert to fraction form
2,661,412.71/3,672,745.97 = 1,515,493.11/x - Step 3: Cross multiply
2,661,412.71x = 3,672,745.97 × 1,515,493.11 - Step 4: Simplify right side
2,661,412.71x = 5,566,021,204,737.80 - Step 5: Solve for x
x = 5,566,021,204,737.80/2,661,412.71 - Step 6: Final answer
x = 2,091,378.46
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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.