Finding the Fourth Proportional to 4,163,742.24, 5,749,220.88 and 3,195,338.64
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Solution
The fourth proportional to 4,163,742.24, 5,749,220.88 and 3,195,338.64 is: 4,412,066.49
Step by Step Solution
- Step 1: Write the proportion equation
4,163,742.24 : 5,749,220.88 = 3,195,338.64 : x - Step 2: Convert to fraction form
4,163,742.24/5,749,220.88 = 3,195,338.64/x - Step 3: Cross multiply
4,163,742.24x = 5,749,220.88 × 3,195,338.64 - Step 4: Simplify right side
4,163,742.24x = 18,370,707,627,758.80 - Step 5: Solve for x
x = 18,370,707,627,758.80/4,163,742.24 - Step 6: Final answer
x = 4,412,066.49
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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.