Finding the Fourth Proportional to 3,811,927.18, 5,718,592.42 and 1,253,286.60
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Solution
The fourth proportional to 3,811,927.18, 5,718,592.42 and 1,253,286.60 is: 1,880,160.59
Step by Step Solution
- Step 1: Write the proportion equation
3,811,927.18 : 5,718,592.42 = 1,253,286.60 : x - Step 2: Convert to fraction form
3,811,927.18/5,718,592.42 = 1,253,286.60/x - Step 3: Cross multiply
3,811,927.18x = 5,718,592.42 × 1,253,286.60 - Step 4: Simplify right side
3,811,927.18x = 7,167,035,250,847.57 - Step 5: Solve for x
x = 7,167,035,250,847.57/3,811,927.18 - Step 6: Final answer
x = 1,880,160.59
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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.