Finding the Fourth Proportional to 3,747,680.22, 5,171,800.44 and 2,028,800.74
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Solution
The fourth proportional to 3,747,680.22, 5,171,800.44 and 2,028,800.74 is: 2,799,745.95
Step by Step Solution
- Step 1: Write the proportion equation
3,747,680.22 : 5,171,800.44 = 2,028,800.74 : x - Step 2: Convert to fraction form
3,747,680.22/5,171,800.44 = 2,028,800.74/x - Step 3: Cross multiply
3,747,680.22x = 5,171,800.44 × 2,028,800.74 - Step 4: Simplify right side
3,747,680.22x = 10,492,552,523,801.32 - Step 5: Solve for x
x = 10,492,552,523,801.32/3,747,680.22 - Step 6: Final answer
x = 2,799,745.95
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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.