Finding the Fourth Proportional to 5,618,081.28, 8,427,193.44 and 1,974,664.09
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Solution
The fourth proportional to 5,618,081.28, 8,427,193.44 and 1,974,664.09 is: 2,962,021.27
Step by Step Solution
- Step 1: Write the proportion equation
5,618,081.28 : 8,427,193.44 = 1,974,664.09 : x - Step 2: Convert to fraction form
5,618,081.28/8,427,193.44 = 1,974,664.09/x - Step 3: Cross multiply
5,618,081.28x = 8,427,193.44 × 1,974,664.09 - Step 4: Simplify right side
5,618,081.28x = 16,640,876,265,451.57 - Step 5: Solve for x
x = 16,640,876,265,451.57/5,618,081.28 - Step 6: Final answer
x = 2,962,021.27
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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.