Finding the Fourth Proportional to 3,810,168, 5,257,841.49 and 2,261,497.05
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Solution
The fourth proportional to 3,810,168, 5,257,841.49 and 2,261,497.05 is: 3,120,752.95
Step by Step Solution
- Step 1: Write the proportion equation
3,810,168 : 5,257,841.49 = 2,261,497.05 : x - Step 2: Convert to fraction form
3,810,168/5,257,841.49 = 2,261,497.05/x - Step 3: Cross multiply
3,810,168x = 5,257,841.49 × 2,261,497.05 - Step 4: Simplify right side
3,810,168x = 11,890,593,019,002.60 - Step 5: Solve for x
x = 11,890,593,019,002.60/3,810,168 - Step 6: Final answer
x = 3,120,752.95
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1.5x scale
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.