Finding the Fourth Proportional to 1,532,543.82, 2,115,076.58 and 844,286.21
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Solution
The fourth proportional to 1,532,543.82, 2,115,076.58 and 844,286.21 is: 1,165,206.47
Step by Step Solution
- Step 1: Write the proportion equation
1,532,543.82 : 2,115,076.58 = 844,286.21 : x - Step 2: Convert to fraction form
1,532,543.82/2,115,076.58 = 844,286.21/x - Step 3: Cross multiply
1,532,543.82x = 2,115,076.58 × 844,286.21 - Step 4: Simplify right side
1,532,543.82x = 1,785,729,981,123.29 - Step 5: Solve for x
x = 1,785,729,981,123.29/1,532,543.82 - Step 6: Final answer
x = 1,165,206.47
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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.