Finding the Fourth Proportional to 1,863,640.22, 2,794,919.82 and 726,148.70
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Solution
The fourth proportional to 1,863,640.22, 2,794,919.82 and 726,148.70 is: 1,089,012.45
Step by Step Solution
- Step 1: Write the proportion equation
1,863,640.22 : 2,794,919.82 = 726,148.70 : x - Step 2: Convert to fraction form
1,863,640.22/2,794,919.82 = 726,148.70/x - Step 3: Cross multiply
1,863,640.22x = 2,794,919.82 × 726,148.70 - Step 4: Simplify right side
1,863,640.22x = 2,029,527,393,897.23 - Step 5: Solve for x
x = 2,029,527,393,897.23/1,863,640.22 - Step 6: Final answer
x = 1,089,012.45
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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.