Finding the Fourth Proportional to 5,399,338.40, 8,099,137.20 and 1,612,944.80
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Solution
The fourth proportional to 5,399,338.40, 8,099,137.20 and 1,612,944.80 is: 2,419,455.92
Step by Step Solution
- Step 1: Write the proportion equation
5,399,338.40 : 8,099,137.20 = 1,612,944.80 : x - Step 2: Convert to fraction form
5,399,338.40/8,099,137.20 = 1,612,944.80/x - Step 3: Cross multiply
5,399,338.40x = 8,099,137.20 × 1,612,944.80 - Step 4: Simplify right side
5,399,338.40x = 13,063,461,231,226.56 - Step 5: Solve for x
x = 13,063,461,231,226.56/5,399,338.40 - Step 6: Final answer
x = 2,419,455.92
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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.