Finding the Fourth Proportional to 3,187,604.21, 4,398,765.49 and 1,737,268.43
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Solution
The fourth proportional to 3,187,604.21, 4,398,765.49 and 1,737,268.43 is: 2,397,360.50
Step by Step Solution
- Step 1: Write the proportion equation
3,187,604.21 : 4,398,765.49 = 1,737,268.43 : x - Step 2: Convert to fraction form
3,187,604.21/4,398,765.49 = 1,737,268.43/x - Step 3: Cross multiply
3,187,604.21x = 4,398,765.49 × 1,737,268.43 - Step 4: Simplify right side
3,187,604.21x = 7,641,836,416,750.48 - Step 5: Solve for x
x = 7,641,836,416,750.48/3,187,604.21 - Step 6: Final answer
x = 2,397,360.50
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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.