Finding the Fourth Proportional to 7,147,409.62, 10,723,115.40 and 2,890,567.12
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Solution
The fourth proportional to 7,147,409.62, 10,723,115.40 and 2,890,567.12 is: 4,336,659.92
Step by Step Solution
- Step 1: Write the proportion equation
7,147,409.62 : 10,723,115.40 = 2,890,567.12 : x - Step 2: Convert to fraction form
7,147,409.62/10,723,115.40 = 2,890,567.12/x - Step 3: Cross multiply
7,147,409.62x = 10,723,115.40 × 2,890,567.12 - Step 4: Simplify right side
7,147,409.62x = 30,995,884,799,205.65 - Step 5: Solve for x
x = 30,995,884,799,205.65/7,147,409.62 - Step 6: Final answer
x = 4,336,659.92
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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.