Finding the Fourth Proportional to 5,273,078.28, 7,276,905.38 and 3,097,713.12
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Solution
The fourth proportional to 5,273,078.28, 7,276,905.38 and 3,097,713.12 is: 4,274,877.80
Step by Step Solution
- Step 1: Write the proportion equation
5,273,078.28 : 7,276,905.38 = 3,097,713.12 : x - Step 2: Convert to fraction form
5,273,078.28/7,276,905.38 = 3,097,713.12/x - Step 3: Cross multiply
5,273,078.28x = 7,276,905.38 × 3,097,713.12 - Step 4: Simplify right side
5,273,078.28x = 22,541,765,268,624.59 - Step 5: Solve for x
x = 22,541,765,268,624.59/5,273,078.28 - Step 6: Final answer
x = 4,274,877.80
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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.