Finding the Fourth Proportional to 5,407,446.24, 7,461,765.36 and 3,231,556.20
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Solution
The fourth proportional to 5,407,446.24, 7,461,765.36 and 3,231,556.20 is: 4,459,242.50
Step by Step Solution
- Step 1: Write the proportion equation
5,407,446.24 : 7,461,765.36 = 3,231,556.20 : x - Step 2: Convert to fraction form
5,407,446.24/7,461,765.36 = 3,231,556.20/x - Step 3: Cross multiply
5,407,446.24x = 7,461,765.36 × 3,231,556.20 - Step 4: Simplify right side
5,407,446.24x = 24,113,114,112,053.23 - Step 5: Solve for x
x = 24,113,114,112,053.23/5,407,446.24 - Step 6: Final answer
x = 4,459,242.50
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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.