Finding the Fourth Proportional to 2,712,917.22, 3,743,810.97 and 1,489,243.56
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Solution
The fourth proportional to 2,712,917.22, 3,743,810.97 and 1,489,243.56 is: 2,055,147.99
Step by Step Solution
- Step 1: Write the proportion equation
2,712,917.22 : 3,743,810.97 = 1,489,243.56 : x - Step 2: Convert to fraction form
2,712,917.22/3,743,810.97 = 1,489,243.56/x - Step 3: Cross multiply
2,712,917.22x = 3,743,810.97 × 1,489,243.56 - Step 4: Simplify right side
2,712,917.22x = 5,575,446,376,929.85 - Step 5: Solve for x
x = 5,575,446,376,929.85/2,712,917.22 - Step 6: Final answer
x = 2,055,147.99
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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.