Finding the Fourth Proportional to 5,064,742.80, 6,989,301.60 and 2,741,623.92
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Solution
The fourth proportional to 5,064,742.80, 6,989,301.60 and 2,741,623.92 is: 3,783,417.48
Step by Step Solution
- Step 1: Write the proportion equation
5,064,742.80 : 6,989,301.60 = 2,741,623.92 : x - Step 2: Convert to fraction form
5,064,742.80/6,989,301.60 = 2,741,623.92/x - Step 3: Cross multiply
5,064,742.80x = 6,989,301.60 × 2,741,623.92 - Step 4: Simplify right side
5,064,742.80x = 19,162,036,450,654.27 - Step 5: Solve for x
x = 19,162,036,450,654.27/5,064,742.80 - Step 6: Final answer
x = 3,783,417.48
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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.