Finding the Fourth Proportional to 2,811,653.40, 4,217,480.10 and 2,059,627.80
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Solution
The fourth proportional to 2,811,653.40, 4,217,480.10 and 2,059,627.80 is: 3,089,441.70
Step by Step Solution
- Step 1: Write the proportion equation
2,811,653.40 : 4,217,480.10 = 2,059,627.80 : x - Step 2: Convert to fraction form
2,811,653.40/4,217,480.10 = 2,059,627.80/x - Step 3: Cross multiply
2,811,653.40x = 4,217,480.10 × 2,059,627.80 - Step 4: Simplify right side
2,811,653.40x = 8,686,439,259,906.78 - Step 5: Solve for x
x = 8,686,439,259,906.78/2,811,653.40 - Step 6: Final answer
x = 3,089,441.70
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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.