Finding the Fourth Proportional to 1,766,474.40, 2,649,711.60 and 436,778.40
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Solution
The fourth proportional to 1,766,474.40, 2,649,711.60 and 436,778.40 is: 655,167.60
Step by Step Solution
- Step 1: Write the proportion equation
1,766,474.40 : 2,649,711.60 = 436,778.40 : x - Step 2: Convert to fraction form
1,766,474.40/2,649,711.60 = 436,778.40/x - Step 3: Cross multiply
1,766,474.40x = 2,649,711.60 × 436,778.40 - Step 4: Simplify right side
1,766,474.40x = 1,157,336,793,109.44 - Step 5: Solve for x
x = 1,157,336,793,109.44/1,766,474.40 - Step 6: Final answer
x = 655,167.60
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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.