Finding the Fourth Proportional to 2,043,768.98, 2,820,265.08 and 1,184,175.92
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Solution
The fourth proportional to 2,043,768.98, 2,820,265.08 and 1,184,175.92 is: 1,634,083.90
Step by Step Solution
- Step 1: Write the proportion equation
2,043,768.98 : 2,820,265.08 = 1,184,175.92 : x - Step 2: Convert to fraction form
2,043,768.98/2,820,265.08 = 1,184,175.92/x - Step 3: Cross multiply
2,043,768.98x = 2,820,265.08 × 1,184,175.92 - Step 4: Simplify right side
2,043,768.98x = 3,339,689,995,752.87 - Step 5: Solve for x
x = 3,339,689,995,752.87/2,043,768.98 - Step 6: Final answer
x = 1,634,083.90
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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.