Finding the Fourth Proportional to 1,544,469.99, 2,131,281.50 and 899,995.11
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Solution
The fourth proportional to 1,544,469.99, 2,131,281.50 and 899,995.11 is: 1,241,942.50
Step by Step Solution
- Step 1: Write the proportion equation
1,544,469.99 : 2,131,281.50 = 899,995.11 : x - Step 2: Convert to fraction form
1,544,469.99/2,131,281.50 = 899,995.11/x - Step 3: Cross multiply
1,544,469.99x = 2,131,281.50 × 899,995.11 - Step 4: Simplify right side
1,544,469.99x = 1,918,142,923,533.49 - Step 5: Solve for x
x = 1,918,142,923,533.49/1,544,469.99 - Step 6: Final answer
x = 1,241,942.50
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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.