Finding the Fourth Proportional to 1,644,618.62, 2,467,279.71 and 491,955.49
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Solution
The fourth proportional to 1,644,618.62, 2,467,279.71 and 491,955.49 is: 738,038.46
Step by Step Solution
- Step 1: Write the proportion equation
1,644,618.62 : 2,467,279.71 = 491,955.49 : x - Step 2: Convert to fraction form
1,644,618.62/2,467,279.71 = 491,955.49/x - Step 3: Cross multiply
1,644,618.62x = 2,467,279.71 × 491,955.49 - Step 4: Simplify right side
1,644,618.62x = 1,213,791,798,700.11 - Step 5: Solve for x
x = 1,213,791,798,700.11/1,644,618.62 - Step 6: Final answer
x = 738,038.46
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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.