Finding the Fourth Proportional to 2,131,016.66, 3,197,786.09 and 784,125.08
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Solution
The fourth proportional to 2,131,016.66, 3,197,786.09 and 784,125.08 is: 1,176,651.65
Step by Step Solution
- Step 1: Write the proportion equation
2,131,016.66 : 3,197,786.09 = 784,125.08 : x - Step 2: Convert to fraction form
2,131,016.66/3,197,786.09 = 784,125.08/x - Step 3: Cross multiply
2,131,016.66x = 3,197,786.09 × 784,125.08 - Step 4: Simplify right side
2,131,016.66x = 2,507,464,270,136.98 - Step 5: Solve for x
x = 2,507,464,270,136.98/2,131,016.66 - Step 6: Final answer
x = 1,176,651.65
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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.