Finding the Fourth Proportional to 2,086,287.60, 2,876,249.88 and 1,783,615.08
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Solution
The fourth proportional to 2,086,287.60, 2,876,249.88 and 1,783,615.08 is: 2,458,971.94
Step by Step Solution
- Step 1: Write the proportion equation
2,086,287.60 : 2,876,249.88 = 1,783,615.08 : x - Step 2: Convert to fraction form
2,086,287.60/2,876,249.88 = 1,783,615.08/x - Step 3: Cross multiply
2,086,287.60x = 2,876,249.88 × 1,783,615.08 - Step 4: Simplify right side
2,086,287.60x = 5,130,122,659,816.19 - Step 5: Solve for x
x = 5,130,122,659,816.19/2,086,287.60 - Step 6: Final answer
x = 2,458,971.94
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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.