Finding the Fourth Proportional to 5,581,020.96, 7,702,024.76 and 3,100,429.44
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Solution
The fourth proportional to 5,581,020.96, 7,702,024.76 and 3,100,429.44 is: 4,278,712.53
Step by Step Solution
- Step 1: Write the proportion equation
5,581,020.96 : 7,702,024.76 = 3,100,429.44 : x - Step 2: Convert to fraction form
5,581,020.96/7,702,024.76 = 3,100,429.44/x - Step 3: Cross multiply
5,581,020.96x = 7,702,024.76 × 3,100,429.44 - Step 4: Simplify right side
5,581,020.96x = 23,879,584,313,512.93 - Step 5: Solve for x
x = 23,879,584,313,512.93/5,581,020.96 - Step 6: Final answer
x = 4,278,712.53
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1.5x scale
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.