Finding the Fourth Proportional to 4,819,821.23, 6,651,421.16 and 2,644,324.85
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Solution
The fourth proportional to 4,819,821.23, 6,651,421.16 and 2,644,324.85 is: 3,649,205.52
Step by Step Solution
- Step 1: Write the proportion equation
4,819,821.23 : 6,651,421.16 = 2,644,324.85 : x - Step 2: Convert to fraction form
4,819,821.23/6,651,421.16 = 2,644,324.85/x - Step 3: Cross multiply
4,819,821.23x = 6,651,421.16 × 2,644,324.85 - Step 4: Simplify right side
4,819,821.23x = 17,588,518,214,725.10 - Step 5: Solve for x
x = 17,588,518,214,725.10/4,819,821.23 - Step 6: Final answer
x = 3,649,205.52
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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.