Finding the Fourth Proportional to 5,107,514.99, 7,661,414.18 and 1,269,182.37
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Solution
The fourth proportional to 5,107,514.99, 7,661,414.18 and 1,269,182.37 is: 1,903,808.76
Step by Step Solution
- Step 1: Write the proportion equation
5,107,514.99 : 7,661,414.18 = 1,269,182.37 : x - Step 2: Convert to fraction form
5,107,514.99/7,661,414.18 = 1,269,182.37/x - Step 3: Cross multiply
5,107,514.99x = 7,661,414.18 × 1,269,182.37 - Step 4: Simplify right side
5,107,514.99x = 9,723,731,780,966.66 - Step 5: Solve for x
x = 9,723,731,780,966.66/5,107,514.99 - Step 6: Final answer
x = 1,903,808.76
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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.