Finding the Fourth Proportional to 1,651,243.56, 2,477,220.84 and 513,981.60
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Solution
The fourth proportional to 1,651,243.56, 2,477,220.84 and 513,981.60 is: 771,083.06
Step by Step Solution
- Step 1: Write the proportion equation
1,651,243.56 : 2,477,220.84 = 513,981.60 : x - Step 2: Convert to fraction form
1,651,243.56/2,477,220.84 = 513,981.60/x - Step 3: Cross multiply
1,651,243.56x = 2,477,220.84 × 513,981.60 - Step 4: Simplify right side
1,651,243.56x = 1,273,245,930,896.54 - Step 5: Solve for x
x = 1,273,245,930,896.54/1,651,243.56 - Step 6: Final answer
x = 771,083.06
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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.