Finding the Fourth Proportional to 5,471,457.57, 7,546,695.42 and 3,840,228.95
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Solution
The fourth proportional to 5,471,457.57, 7,546,695.42 and 3,840,228.95 is: 5,296,767.42
Step by Step Solution
- Step 1: Write the proportion equation
5,471,457.57 : 7,546,695.42 = 3,840,228.95 : x - Step 2: Convert to fraction form
5,471,457.57/7,546,695.42 = 3,840,228.95/x - Step 3: Cross multiply
5,471,457.57x = 7,546,695.42 × 3,840,228.95 - Step 4: Simplify right side
5,471,457.57x = 28,981,038,190,982.93 - Step 5: Solve for x
x = 28,981,038,190,982.93/5,471,457.57 - Step 6: Final answer
x = 5,296,767.42
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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.