Finding the Fourth Proportional to 1,908,951.60, 2,863,361.40 and 489,021.60
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Solution
The fourth proportional to 1,908,951.60, 2,863,361.40 and 489,021.60 is: 733,515.49
Step by Step Solution
- Step 1: Write the proportion equation
1,908,951.60 : 2,863,361.40 = 489,021.60 : x - Step 2: Convert to fraction form
1,908,951.60/2,863,361.40 = 489,021.60/x - Step 3: Cross multiply
1,908,951.60x = 2,863,361.40 × 489,021.60 - Step 4: Simplify right side
1,908,951.60x = 1,400,245,573,206.24 - Step 5: Solve for x
x = 1,400,245,573,206.24/1,908,951.60 - Step 6: Final answer
x = 733,515.49
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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.