Finding the Fourth Proportional to 1,982,790.21, 2,974,249.49 and 943,914.99
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Solution
The fourth proportional to 1,982,790.21, 2,974,249.49 and 943,914.99 is: 1,415,903.03
Step by Step Solution
- Step 1: Write the proportion equation
1,982,790.21 : 2,974,249.49 = 943,914.99 : x - Step 2: Convert to fraction form
1,982,790.21/2,974,249.49 = 943,914.99/x - Step 3: Cross multiply
1,982,790.21x = 2,974,249.49 × 943,914.99 - Step 4: Simplify right side
1,982,790.21x = 2,807,438,672,891.28 - Step 5: Solve for x
x = 2,807,438,672,891.28/1,982,790.21 - Step 6: Final answer
x = 1,415,903.03
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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.