Finding the Fourth Proportional to 5,064,582.49, 6,989,789.42 and 2,888,626.84
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Solution
The fourth proportional to 5,064,582.49, 6,989,789.42 and 2,888,626.84 is: 3,986,684.66
Step by Step Solution
- Step 1: Write the proportion equation
5,064,582.49 : 6,989,789.42 = 2,888,626.84 : x - Step 2: Convert to fraction form
5,064,582.49/6,989,789.42 = 2,888,626.84/x - Step 3: Cross multiply
5,064,582.49x = 6,989,789.42 × 2,888,626.84 - Step 4: Simplify right side
5,064,582.49x = 20,190,893,324,560.03 - Step 5: Solve for x
x = 20,190,893,324,560.03/5,064,582.49 - Step 6: Final answer
x = 3,986,684.66
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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.