Finding the Fourth Proportional to 3,971,124.12, 5,957,619.30 and 1,131,277.08
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Solution
The fourth proportional to 3,971,124.12, 5,957,619.30 and 1,131,277.08 is: 1,697,181.44
Step by Step Solution
- Step 1: Write the proportion equation
3,971,124.12 : 5,957,619.30 = 1,131,277.08 : x - Step 2: Convert to fraction form
3,971,124.12/5,957,619.30 = 1,131,277.08/x - Step 3: Cross multiply
3,971,124.12x = 5,957,619.30 × 1,131,277.08 - Step 4: Simplify right side
3,971,124.12x = 6,739,718,165,455.65 - Step 5: Solve for x
x = 6,739,718,165,455.65/3,971,124.12 - Step 6: Final answer
x = 1,697,181.44
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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.