Finding the Fourth Proportional to 1,618,910.10, 2,427,941.97 and 481,365.95
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Solution
The fourth proportional to 1,618,910.10, 2,427,941.97 and 481,365.95 is: 721,923.09
Step by Step Solution
- Step 1: Write the proportion equation
1,618,910.10 : 2,427,941.97 = 481,365.95 : x - Step 2: Convert to fraction form
1,618,910.10/2,427,941.97 = 481,365.95/x - Step 3: Cross multiply
1,618,910.10x = 2,427,941.97 × 481,365.95 - Step 4: Simplify right side
1,618,910.10x = 1,168,728,580,794.21 - Step 5: Solve for x
x = 1,168,728,580,794.21/1,618,910.10 - Step 6: Final answer
x = 721,923.09
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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.