Finding the Fourth Proportional to 3,998,107.22, 5,997,155.97 and 1,302,427.94
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Solution
The fourth proportional to 3,998,107.22, 5,997,155.97 and 1,302,427.94 is: 1,953,640.33
Step by Step Solution
- Step 1: Write the proportion equation
3,998,107.22 : 5,997,155.97 = 1,302,427.94 : x - Step 2: Convert to fraction form
3,998,107.22/5,997,155.97 = 1,302,427.94/x - Step 3: Cross multiply
3,998,107.22x = 5,997,155.97 × 1,302,427.94 - Step 4: Simplify right side
3,998,107.22x = 7,810,863,495,865.80 - Step 5: Solve for x
x = 7,810,863,495,865.80/3,998,107.22 - Step 6: Final answer
x = 1,953,640.33
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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.