Finding the Fourth Proportional to 3,851,996.04, 5,315,749.74 and 2,133,114.48
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Solution
The fourth proportional to 3,851,996.04, 5,315,749.74 and 2,133,114.48 is: 2,943,695.33
Step by Step Solution
- Step 1: Write the proportion equation
3,851,996.04 : 5,315,749.74 = 2,133,114.48 : x - Step 2: Convert to fraction form
3,851,996.04/5,315,749.74 = 2,133,114.48/x - Step 3: Cross multiply
3,851,996.04x = 5,315,749.74 × 2,133,114.48 - Step 4: Simplify right side
3,851,996.04x = 11,339,102,742,450.24 - Step 5: Solve for x
x = 11,339,102,742,450.24/3,851,996.04 - Step 6: Final answer
x = 2,943,695.33
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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.