Finding the Fourth Proportional to 3,790,462.83, 5,685,992.32 and 1,266,126.99
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Solution
The fourth proportional to 3,790,462.83, 5,685,992.32 and 1,266,126.99 is: 1,899,290.05
Step by Step Solution
- Step 1: Write the proportion equation
3,790,462.83 : 5,685,992.32 = 1,266,126.99 : x - Step 2: Convert to fraction form
3,790,462.83/5,685,992.32 = 1,266,126.99/x - Step 3: Cross multiply
3,790,462.83x = 5,685,992.32 × 1,266,126.99 - Step 4: Simplify right side
3,790,462.83x = 7,199,188,341,284.72 - Step 5: Solve for x
x = 7,199,188,341,284.72/3,790,462.83 - Step 6: Final answer
x = 1,899,290.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.