Finding the Fourth Proportional to 5,103,797.52, 7,043,236.74 and 2,811,958.20
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Solution
The fourth proportional to 5,103,797.52, 7,043,236.74 and 2,811,958.20 is: 3,880,500.20
Step by Step Solution
- Step 1: Write the proportion equation
5,103,797.52 : 7,043,236.74 = 2,811,958.20 : x - Step 2: Convert to fraction form
5,103,797.52/7,043,236.74 = 2,811,958.20/x - Step 3: Cross multiply
5,103,797.52x = 7,043,236.74 × 2,811,958.20 - Step 4: Simplify right side
5,103,797.52x = 19,805,287,305,584.27 - Step 5: Solve for x
x = 19,805,287,305,584.27/5,103,797.52 - Step 6: Final answer
x = 3,880,500.20
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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.