Finding the Fourth Proportional to 5,937,555.38, 8,193,792.21 and 3,221,243.06
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Solution
The fourth proportional to 5,937,555.38, 8,193,792.21 and 3,221,243.06 is: 4,445,296.86
Step by Step Solution
- Step 1: Write the proportion equation
5,937,555.38 : 8,193,792.21 = 3,221,243.06 : x - Step 2: Convert to fraction form
5,937,555.38/8,193,792.21 = 3,221,243.06/x - Step 3: Cross multiply
5,937,555.38x = 8,193,792.21 × 3,221,243.06 - Step 4: Simplify right side
5,937,555.38x = 26,394,196,291,544.56 - Step 5: Solve for x
x = 26,394,196,291,544.56/5,937,555.38 - Step 6: Final answer
x = 4,445,296.86
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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.