Finding the Fourth Proportional to 2,044,687.84, 2,821,780.19 and 1,173,515.57
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Solution
The fourth proportional to 2,044,687.84, 2,821,780.19 and 1,173,515.57 is: 1,619,515.18
Step by Step Solution
- Step 1: Write the proportion equation
2,044,687.84 : 2,821,780.19 = 1,173,515.57 : x - Step 2: Convert to fraction form
2,044,687.84/2,821,780.19 = 1,173,515.57/x - Step 3: Cross multiply
2,044,687.84x = 2,821,780.19 × 1,173,515.57 - Step 4: Simplify right side
2,044,687.84x = 3,311,402,989,269.43 - Step 5: Solve for x
x = 3,311,402,989,269.43/2,044,687.84 - Step 6: Final answer
x = 1,619,515.18
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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.