Finding the Fourth Proportional to 5,921,130.74, 8,170,704.34 and 3,343,065.98
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Solution
The fourth proportional to 5,921,130.74, 8,170,704.34 and 3,343,065.98 is: 4,613,173.55
Step by Step Solution
- Step 1: Write the proportion equation
5,921,130.74 : 8,170,704.34 = 3,343,065.98 : x - Step 2: Convert to fraction form
5,921,130.74/8,170,704.34 = 3,343,065.98/x - Step 3: Cross multiply
5,921,130.74x = 8,170,704.34 × 3,343,065.98 - Step 4: Simplify right side
5,921,130.74x = 27,315,203,711,692.35 - Step 5: Solve for x
x = 27,315,203,711,692.35/5,921,130.74 - Step 6: Final answer
x = 4,613,173.55
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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.