Finding the Fourth Proportional to 4,356,163.20, 6,534,244.80 and 2,225,539.20
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Solution
The fourth proportional to 4,356,163.20, 6,534,244.80 and 2,225,539.20 is: 3,338,308.80
Step by Step Solution
- Step 1: Write the proportion equation
4,356,163.20 : 6,534,244.80 = 2,225,539.20 : x - Step 2: Convert to fraction form
4,356,163.20/6,534,244.80 = 2,225,539.20/x - Step 3: Cross multiply
4,356,163.20x = 6,534,244.80 × 2,225,539.20 - Step 4: Simplify right side
4,356,163.20x = 14,542,217,944,796.16 - Step 5: Solve for x
x = 14,542,217,944,796.16/4,356,163.20 - Step 6: Final answer
x = 3,338,308.80
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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.