Finding the Fourth Proportional to 3,288,317.24, 4,537,876.20 and 1,930,190.24
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Solution
The fourth proportional to 3,288,317.24, 4,537,876.20 and 1,930,190.24 is: 2,663,661.60
Step by Step Solution
- Step 1: Write the proportion equation
3,288,317.24 : 4,537,876.20 = 1,930,190.24 : x - Step 2: Convert to fraction form
3,288,317.24/4,537,876.20 = 1,930,190.24/x - Step 3: Cross multiply
3,288,317.24x = 4,537,876.20 × 1,930,190.24 - Step 4: Simplify right side
3,288,317.24x = 8,758,964,351,568.29 - Step 5: Solve for x
x = 8,758,964,351,568.29/3,288,317.24 - Step 6: Final answer
x = 2,663,661.60
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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.