Finding the Fourth Proportional to 1,843,331.75, 2,765,464.19 and 513,635.75
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Solution
The fourth proportional to 1,843,331.75, 2,765,464.19 and 513,635.75 is: 770,583.63
Step by Step Solution
- Step 1: Write the proportion equation
1,843,331.75 : 2,765,464.19 = 513,635.75 : x - Step 2: Convert to fraction form
1,843,331.75/2,765,464.19 = 513,635.75/x - Step 3: Cross multiply
1,843,331.75x = 2,765,464.19 × 513,635.75 - Step 4: Simplify right side
1,843,331.75x = 1,420,441,273,328.79 - Step 5: Solve for x
x = 1,420,441,273,328.79/1,843,331.75 - Step 6: Final answer
x = 770,583.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.