Finding the Fourth Proportional to 2,642,659.21, 3,647,172.24 and 1,481,419.09
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Solution
The fourth proportional to 2,642,659.21, 3,647,172.24 and 1,481,419.09 is: 2,044,527.94
Step by Step Solution
- Step 1: Write the proportion equation
2,642,659.21 : 3,647,172.24 = 1,481,419.09 : x - Step 2: Convert to fraction form
2,642,659.21/3,647,172.24 = 1,481,419.09/x - Step 3: Cross multiply
2,642,659.21x = 3,647,172.24 × 1,481,419.09 - Step 4: Simplify right side
2,642,659.21x = 5,402,990,580,854.06 - Step 5: Solve for x
x = 5,402,990,580,854.06/2,642,659.21 - Step 6: Final answer
x = 2,044,527.94
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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.