Finding the Fourth Proportional to 3,538,240.14, 4,878,912.75 and 2,390,327.34
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Solution
The fourth proportional to 3,538,240.14, 4,878,912.75 and 2,390,327.34 is: 3,296,044.95
Step by Step Solution
- Step 1: Write the proportion equation
3,538,240.14 : 4,878,912.75 = 2,390,327.34 : x - Step 2: Convert to fraction form
3,538,240.14/4,878,912.75 = 2,390,327.34/x - Step 3: Cross multiply
3,538,240.14x = 4,878,912.75 × 2,390,327.34 - Step 4: Simplify right side
3,538,240.14x = 11,662,198,535,799.58 - Step 5: Solve for x
x = 11,662,198,535,799.58/3,538,240.14 - Step 6: Final answer
x = 3,296,044.95
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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.