Finding the Fourth Proportional to 5,154,914.28, 7,113,583.98 and 2,863,221.24
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Solution
The fourth proportional to 5,154,914.28, 7,113,583.98 and 2,863,221.24 is: 3,951,135.49
Step by Step Solution
- Step 1: Write the proportion equation
5,154,914.28 : 7,113,583.98 = 2,863,221.24 : x - Step 2: Convert to fraction form
5,154,914.28/7,113,583.98 = 2,863,221.24/x - Step 3: Cross multiply
5,154,914.28x = 7,113,583.98 × 2,863,221.24 - Step 4: Simplify right side
5,154,914.28x = 20,367,764,744,059.74 - Step 5: Solve for x
x = 20,367,764,744,059.74/5,154,914.28 - Step 6: Final answer
x = 3,951,135.49
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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.