Finding the Fourth Proportional to 5,421,350.42, 7,481,563.40 and 2,974,086.44
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Solution
The fourth proportional to 5,421,350.42, 7,481,563.40 and 2,974,086.44 is: 4,104,294.05
Step by Step Solution
- Step 1: Write the proportion equation
5,421,350.42 : 7,481,563.40 = 2,974,086.44 : x - Step 2: Convert to fraction form
5,421,350.42/7,481,563.40 = 2,974,086.44/x - Step 3: Cross multiply
5,421,350.42x = 7,481,563.40 × 2,974,086.44 - Step 4: Simplify right side
5,421,350.42x = 22,250,816,257,940.30 - Step 5: Solve for x
x = 22,250,816,257,940.30/5,421,350.42 - Step 6: Final answer
x = 4,104,294.05
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1.5x scale
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.