Finding the Fourth Proportional to 3,261,770.40, 4,897,904.40 and 2,201,512.80
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Solution
The fourth proportional to 3,261,770.40, 4,897,904.40 and 2,201,512.80 is: 3,305,811.85
Step by Step Solution
- Step 1: Write the proportion equation
3,261,770.40 : 4,897,904.40 = 2,201,512.80 : x - Step 2: Convert to fraction form
3,261,770.40/4,897,904.40 = 2,201,512.80/x - Step 3: Cross multiply
3,261,770.40x = 4,897,904.40 × 2,201,512.80 - Step 4: Simplify right side
3,261,770.40x = 10,782,799,229,776.32 - Step 5: Solve for x
x = 10,782,799,229,776.32/3,261,770.40 - Step 6: Final answer
x = 3,305,811.85
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1.5x scale
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.