Finding the Fourth Proportional to 1,876,273.14, 2,589,534.84 and 1,188,008.97
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Solution
The fourth proportional to 1,876,273.14, 2,589,534.84 and 1,188,008.97 is: 1,639,628.34
Step by Step Solution
- Step 1: Write the proportion equation
1,876,273.14 : 2,589,534.84 = 1,188,008.97 : x - Step 2: Convert to fraction form
1,876,273.14/2,589,534.84 = 1,188,008.97/x - Step 3: Cross multiply
1,876,273.14x = 2,589,534.84 × 1,188,008.97 - Step 4: Simplify right side
1,876,273.14x = 3,076,390,618,047.51 - Step 5: Solve for x
x = 3,076,390,618,047.51/1,876,273.14 - Step 6: Final answer
x = 1,639,628.34
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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.