Finding the Fourth Proportional to 1,449,364.19, 2,164,286.12 and 1,183,651.79
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Solution
The fourth proportional to 1,449,364.19, 2,164,286.12 and 1,183,651.79 is: 1,767,506.85
Step by Step Solution
- Step 1: Write the proportion equation
1,449,364.19 : 2,164,286.12 = 1,183,651.79 : x - Step 2: Convert to fraction form
1,449,364.19/2,164,286.12 = 1,183,651.79/x - Step 3: Cross multiply
1,449,364.19x = 2,164,286.12 × 1,183,651.79 - Step 4: Simplify right side
1,449,364.19x = 2,561,761,123,270.47 - Step 5: Solve for x
x = 2,561,761,123,270.47/1,449,364.19 - Step 6: Final answer
x = 1,767,506.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.