Finding the Fourth Proportional to 4,020,975.20, 6,032,337.60 and 1,324,841.60
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Solution
The fourth proportional to 4,020,975.20, 6,032,337.60 and 1,324,841.60 is: 1,987,550.63
Step by Step Solution
- Step 1: Write the proportion equation
4,020,975.20 : 6,032,337.60 = 1,324,841.60 : x - Step 2: Convert to fraction form
4,020,975.20/6,032,337.60 = 1,324,841.60/x - Step 3: Cross multiply
4,020,975.20x = 6,032,337.60 × 1,324,841.60 - Step 4: Simplify right side
4,020,975.20x = 7,991,891,797,724.16 - Step 5: Solve for x
x = 7,991,891,797,724.16/4,020,975.20 - Step 6: Final answer
x = 1,987,550.63
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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.