Finding the Fourth Proportional to 2,044,519.20, 2,821,455.77 and 1,126,781.43
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Solution
The fourth proportional to 2,044,519.20, 2,821,455.77 and 1,126,781.43 is: 1,554,968.99
Step by Step Solution
- Step 1: Write the proportion equation
2,044,519.20 : 2,821,455.77 = 1,126,781.43 : x - Step 2: Convert to fraction form
2,044,519.20/2,821,455.77 = 1,126,781.43/x - Step 3: Cross multiply
2,044,519.20x = 2,821,455.77 × 1,126,781.43 - Step 4: Simplify right side
2,044,519.20x = 3,179,163,961,568.44 - Step 5: Solve for x
x = 3,179,163,961,568.44/2,044,519.20 - Step 6: Final answer
x = 1,554,968.99
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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.