Finding the Fourth Proportional to 5,330,315.22, 7,355,811.96 and 2,882,928.66
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Solution
The fourth proportional to 5,330,315.22, 7,355,811.96 and 2,882,928.66 is: 3,978,429.09
Step by Step Solution
- Step 1: Write the proportion equation
5,330,315.22 : 7,355,811.96 = 2,882,928.66 : x - Step 2: Convert to fraction form
5,330,315.22/7,355,811.96 = 2,882,928.66/x - Step 3: Cross multiply
5,330,315.22x = 7,355,811.96 × 2,882,928.66 - Step 4: Simplify right side
5,330,315.22x = 21,206,281,117,054.77 - Step 5: Solve for x
x = 21,206,281,117,054.77/5,330,315.22 - Step 6: Final answer
x = 3,978,429.09
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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.