Finding the Fourth Proportional to 5,782,842.09, 7,980,369.36 and 3,204,565.92
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Solution
The fourth proportional to 5,782,842.09, 7,980,369.36 and 3,204,565.92 is: 4,422,327.17
Step by Step Solution
- Step 1: Write the proportion equation
5,782,842.09 : 7,980,369.36 = 3,204,565.92 : x - Step 2: Convert to fraction form
5,782,842.09/7,980,369.36 = 3,204,565.92/x - Step 3: Cross multiply
5,782,842.09x = 7,980,369.36 × 3,204,565.92 - Step 4: Simplify right side
5,782,842.09x = 25,573,619,680,068.21 - Step 5: Solve for x
x = 25,573,619,680,068.21/5,782,842.09 - Step 6: Final answer
x = 4,422,327.17
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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.