Finding the Fourth Proportional to 1,515,977.43, 2,274,059.99 and 505,189.77
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Solution
The fourth proportional to 1,515,977.43, 2,274,059.99 and 505,189.77 is: 757,815.92
Step by Step Solution
- Step 1: Write the proportion equation
1,515,977.43 : 2,274,059.99 = 505,189.77 : x - Step 2: Convert to fraction form
1,515,977.43/2,274,059.99 = 505,189.77/x - Step 3: Cross multiply
1,515,977.43x = 2,274,059.99 × 505,189.77 - Step 4: Simplify right side
1,515,977.43x = 1,148,831,829,418.05 - Step 5: Solve for x
x = 1,148,831,829,418.05/1,515,977.43 - Step 6: Final answer
x = 757,815.92
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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.