Finding the Fourth Proportional to 1,876,276.14, 2,589,538.98 and 1,188,011.97
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Solution
The fourth proportional to 1,876,276.14, 2,589,538.98 and 1,188,011.97 is: 1,639,632.48
Step by Step Solution
- Step 1: Write the proportion equation
1,876,276.14 : 2,589,538.98 = 1,188,011.97 : x - Step 2: Convert to fraction form
1,876,276.14/2,589,538.98 = 1,188,011.97/x - Step 3: Cross multiply
1,876,276.14x = 2,589,538.98 × 1,188,011.97 - Step 4: Simplify right side
1,876,276.14x = 3,076,403,305,021.59 - Step 5: Solve for x
x = 3,076,403,305,021.59/1,876,276.14 - Step 6: Final answer
x = 1,639,632.48
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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.