Finding the Fourth Proportional to 2,077,480.80, 3,114,471.60 and 1,080,208.80
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Solution
The fourth proportional to 2,077,480.80, 3,114,471.60 and 1,080,208.80 is: 1,619,403.48
Step by Step Solution
- Step 1: Write the proportion equation
2,077,480.80 : 3,114,471.60 = 1,080,208.80 : x - Step 2: Convert to fraction form
2,077,480.80/3,114,471.60 = 1,080,208.80/x - Step 3: Cross multiply
2,077,480.80x = 3,114,471.60 × 1,080,208.80 - Step 4: Simplify right side
2,077,480.80x = 3,364,279,629,670.08 - Step 5: Solve for x
x = 3,364,279,629,670.08/2,077,480.80 - Step 6: Final answer
x = 1,619,403.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.