Finding the Fourth Proportional to 3,868,550.29, 5,339,090.33 and 2,340,669.97
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Solution
The fourth proportional to 3,868,550.29, 5,339,090.33 and 2,340,669.97 is: 3,230,421.60
Step by Step Solution
- Step 1: Write the proportion equation
3,868,550.29 : 5,339,090.33 = 2,340,669.97 : x - Step 2: Convert to fraction form
3,868,550.29/5,339,090.33 = 2,340,669.97/x - Step 3: Cross multiply
3,868,550.29x = 5,339,090.33 × 2,340,669.97 - Step 4: Simplify right side
3,868,550.29x = 12,497,048,402,548.39 - Step 5: Solve for x
x = 12,497,048,402,548.39/3,868,550.29 - Step 6: Final answer
x = 3,230,421.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.