Finding the Fourth Proportional to 4,556,960.40, 6,837,190.20 and 4,485,226.80
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Solution
The fourth proportional to 4,556,960.40, 6,837,190.20 and 4,485,226.80 is: 6,729,562.26
Step by Step Solution
- Step 1: Write the proportion equation
4,556,960.40 : 6,837,190.20 = 4,485,226.80 : x - Step 2: Convert to fraction form
4,556,960.40/6,837,190.20 = 4,485,226.80/x - Step 3: Cross multiply
4,556,960.40x = 6,837,190.20 × 4,485,226.80 - Step 4: Simplify right side
4,556,960.40x = 30,666,348,721,737.36 - Step 5: Solve for x
x = 30,666,348,721,737.36/4,556,960.40 - Step 6: Final answer
x = 6,729,562.26
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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.