Finding the Fourth Proportional to 5,190,763.91, 7,111,227.57 and 4,996,694.75
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Solution
The fourth proportional to 5,190,763.91, 7,111,227.57 and 4,996,694.75 is: 6,845,357.27
Step by Step Solution
- Step 1: Write the proportion equation
5,190,763.91 : 7,111,227.57 = 4,996,694.75 : x - Step 2: Convert to fraction form
5,190,763.91/7,111,227.57 = 4,996,694.75/x - Step 3: Cross multiply
5,190,763.91x = 7,111,227.57 × 4,996,694.75 - Step 4: Simplify right side
5,190,763.91x = 35,532,633,465,074.26 - Step 5: Solve for x
x = 35,532,633,465,074.26/5,190,763.91 - Step 6: Final answer
x = 6,845,357.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.