Finding the Fourth Proportional to 1,821,311.14, 2,514,259.84 and 1,057,217.62
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Solution
The fourth proportional to 1,821,311.14, 2,514,259.84 and 1,057,217.62 is: 1,459,453.99
Step by Step Solution
- Step 1: Write the proportion equation
1,821,311.14 : 2,514,259.84 = 1,057,217.62 : x - Step 2: Convert to fraction form
1,821,311.14/2,514,259.84 = 1,057,217.62/x - Step 3: Cross multiply
1,821,311.14x = 2,514,259.84 × 1,057,217.62 - Step 4: Simplify right side
1,821,311.14x = 2,658,119,804,106.38 - Step 5: Solve for x
x = 2,658,119,804,106.38/1,821,311.14 - Step 6: Final answer
x = 1,459,453.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.