Finding the Fourth Proportional to 3,946,151.04, 5,445,704.84 and 2,135,315.04
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Solution
The fourth proportional to 3,946,151.04, 5,445,704.84 and 2,135,315.04 is: 2,946,743.63
Step by Step Solution
- Step 1: Write the proportion equation
3,946,151.04 : 5,445,704.84 = 2,135,315.04 : x - Step 2: Convert to fraction form
3,946,151.04/5,445,704.84 = 2,135,315.04/x - Step 3: Cross multiply
3,946,151.04x = 5,445,704.84 × 2,135,315.04 - Step 4: Simplify right side
3,946,151.04x = 11,628,295,435,473.76 - Step 5: Solve for x
x = 11,628,295,435,473.76/3,946,151.04 - Step 6: Final answer
x = 2,946,743.63
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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.