Finding the Fourth Proportional to 5,474,414.40, 8,211,621.60 and 1,485,326.40
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Solution
The fourth proportional to 5,474,414.40, 8,211,621.60 and 1,485,326.40 is: 2,227,989.60
Step by Step Solution
- Step 1: Write the proportion equation
5,474,414.40 : 8,211,621.60 = 1,485,326.40 : x - Step 2: Convert to fraction form
5,474,414.40/8,211,621.60 = 1,485,326.40/x - Step 3: Cross multiply
5,474,414.40x = 8,211,621.60 × 1,485,326.40 - Step 4: Simplify right side
5,474,414.40x = 12,196,938,349,290.24 - Step 5: Solve for x
x = 12,196,938,349,290.24/5,474,414.40 - Step 6: Final answer
x = 2,227,989.60
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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.