Finding the Fourth Proportional to 7,287,190.80, 10,930,786.20 and 2,237,845.20
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Solution
The fourth proportional to 7,287,190.80, 10,930,786.20 and 2,237,845.20 is: 3,356,767.80
Step by Step Solution
- Step 1: Write the proportion equation
7,287,190.80 : 10,930,786.20 = 2,237,845.20 : x - Step 2: Convert to fraction form
7,287,190.80/10,930,786.20 = 2,237,845.20/x - Step 3: Cross multiply
7,287,190.80x = 10,930,786.20 × 2,237,845.20 - Step 4: Simplify right side
7,287,190.80x = 24,461,407,429,896.24 - Step 5: Solve for x
x = 24,461,407,429,896.24/7,287,190.80 - Step 6: Final answer
x = 3,356,767.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.