Finding the Fourth Proportional to 5,396,933.50, 7,447,048.66 and 3,465,809.84
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Solution
The fourth proportional to 5,396,933.50, 7,447,048.66 and 3,465,809.84 is: 4,782,355.48
Step by Step Solution
- Step 1: Write the proportion equation
5,396,933.50 : 7,447,048.66 = 3,465,809.84 : x - Step 2: Convert to fraction form
5,396,933.50/7,447,048.66 = 3,465,809.84/x - Step 3: Cross multiply
5,396,933.50x = 7,447,048.66 × 3,465,809.84 - Step 4: Simplify right side
5,396,933.50x = 25,810,054,524,786.81 - Step 5: Solve for x
x = 25,810,054,524,786.81/5,396,933.50 - Step 6: Final answer
x = 4,782,355.48
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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.