Finding the Fourth Proportional to 1,286,967.02, 1,930,461.77 and 327,423.49
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Solution
The fourth proportional to 1,286,967.02, 1,930,461.77 and 327,423.49 is: 491,138.09
Step by Step Solution
- Step 1: Write the proportion equation
1,286,967.02 : 1,930,461.77 = 327,423.49 : x - Step 2: Convert to fraction form
1,286,967.02/1,930,461.77 = 327,423.49/x - Step 3: Cross multiply
1,286,967.02x = 1,930,461.77 × 327,423.49 - Step 4: Simplify right side
1,286,967.02x = 632,078,526,037.38 - Step 5: Solve for x
x = 632,078,526,037.38/1,286,967.02 - Step 6: Final answer
x = 491,138.09
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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.