Finding the Fourth Proportional to 1,392,720, 2,085,839.97 and 1,354,408.80
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Solution
The fourth proportional to 1,392,720, 2,085,839.97 and 1,354,408.80 is: 2,028,462.30
Step by Step Solution
- Step 1: Write the proportion equation
1,392,720 : 2,085,839.97 = 1,354,408.80 : x - Step 2: Convert to fraction form
1,392,720/2,085,839.97 = 1,354,408.80/x - Step 3: Cross multiply
1,392,720x = 2,085,839.97 × 1,354,408.80 - Step 4: Simplify right side
1,392,720x = 2,825,080,010,759.74 - Step 5: Solve for x
x = 2,825,080,010,759.74/1,392,720 - Step 6: Final answer
x = 2,028,462.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.