Finding the Fourth Proportional to 1,821,720.06, 2,514,195.35 and 1,057,773.62
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Solution
The fourth proportional to 1,821,720.06, 2,514,195.35 and 1,057,773.62 is: 1,459,856.30
Step by Step Solution
- Step 1: Write the proportion equation
1,821,720.06 : 2,514,195.35 = 1,057,773.62 : x - Step 2: Convert to fraction form
1,821,720.06/2,514,195.35 = 1,057,773.62/x - Step 3: Cross multiply
1,821,720.06x = 2,514,195.35 × 1,057,773.62 - Step 4: Simplify right side
1,821,720.06x = 2,659,449,498,896.82 - Step 5: Solve for x
x = 2,659,449,498,896.82/1,821,720.06 - Step 6: Final answer
x = 1,459,856.30
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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.