Finding the Fourth Proportional to 3,821,719.26, 5,731,866.72 and 1,228,068.99
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Solution
The fourth proportional to 3,821,719.26, 5,731,866.72 and 1,228,068.99 is: 1,841,874.64
Step by Step Solution
- Step 1: Write the proportion equation
3,821,719.26 : 5,731,866.72 = 1,228,068.99 : x - Step 2: Convert to fraction form
3,821,719.26/5,731,866.72 = 1,228,068.99/x - Step 3: Cross multiply
3,821,719.26x = 5,731,866.72 × 1,228,068.99 - Step 4: Simplify right side
3,821,719.26x = 7,039,127,773,645.01 - Step 5: Solve for x
x = 7,039,127,773,645.01/3,821,719.26 - Step 6: Final answer
x = 1,841,874.64
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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.