Finding the Fourth Proportional to 5,630,534.40, 7,770,147.84 and 3,052,207.20
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Solution
The fourth proportional to 5,630,534.40, 7,770,147.84 and 3,052,207.20 is: 4,212,051.56
Step by Step Solution
- Step 1: Write the proportion equation
5,630,534.40 : 7,770,147.84 = 3,052,207.20 : x - Step 2: Convert to fraction form
5,630,534.40/7,770,147.84 = 3,052,207.20/x - Step 3: Cross multiply
5,630,534.40x = 7,770,147.84 × 3,052,207.20 - Step 4: Simplify right side
5,630,534.40x = 23,716,101,182,312.45 - Step 5: Solve for x
x = 23,716,101,182,312.45/5,630,534.40 - Step 6: Final answer
x = 4,212,051.56
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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.