Finding the Fourth Proportional to 3,014,582.21, 4,160,122.49 and 1,656,542.69
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Solution
The fourth proportional to 3,014,582.21, 4,160,122.49 and 1,656,542.69 is: 2,286,028.38
Step by Step Solution
- Step 1: Write the proportion equation
3,014,582.21 : 4,160,122.49 = 1,656,542.69 : x - Step 2: Convert to fraction form
3,014,582.21/4,160,122.49 = 1,656,542.69/x - Step 3: Cross multiply
3,014,582.21x = 4,160,122.49 × 1,656,542.69 - Step 4: Simplify right side
3,014,582.21x = 6,891,420,471,230.77 - Step 5: Solve for x
x = 6,891,420,471,230.77/3,014,582.21 - Step 6: Final answer
x = 2,286,028.38
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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.