Finding the Fourth Proportional to 2,858,777.92, 4,288,261.60 and 1,438,059.84
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Solution
The fourth proportional to 2,858,777.92, 4,288,261.60 and 1,438,059.84 is: 2,157,137.41
Step by Step Solution
- Step 1: Write the proportion equation
2,858,777.92 : 4,288,261.60 = 1,438,059.84 : x - Step 2: Convert to fraction form
2,858,777.92/4,288,261.60 = 1,438,059.84/x - Step 3: Cross multiply
2,858,777.92x = 4,288,261.60 × 1,438,059.84 - Step 4: Simplify right side
2,858,777.92x = 6,166,776,790,374.14 - Step 5: Solve for x
x = 6,166,776,790,374.14/2,858,777.92 - Step 6: Final answer
x = 2,157,137.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.