Finding the Fourth Proportional to 1,512,914.26, 2,269,378.68 and 447,976.48
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Solution
The fourth proportional to 1,512,914.26, 2,269,378.68 and 447,976.48 is: 671,966.88
Step by Step Solution
- Step 1: Write the proportion equation
1,512,914.26 : 2,269,378.68 = 447,976.48 : x - Step 2: Convert to fraction form
1,512,914.26/2,269,378.68 = 447,976.48/x - Step 3: Cross multiply
1,512,914.26x = 2,269,378.68 × 447,976.48 - Step 4: Simplify right side
1,512,914.26x = 1,016,628,272,853.45 - Step 5: Solve for x
x = 1,016,628,272,853.45/1,512,914.26 - Step 6: Final answer
x = 671,966.88
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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.