Finding the Fourth Proportional to 1,839,016.70, 2,758,540.43 and 640,937.08
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Solution
The fourth proportional to 1,839,016.70, 2,758,540.43 and 640,937.08 is: 961,410.98
Step by Step Solution
- Step 1: Write the proportion equation
1,839,016.70 : 2,758,540.43 = 640,937.08 : x - Step 2: Convert to fraction form
1,839,016.70/2,758,540.43 = 640,937.08/x - Step 3: Cross multiply
1,839,016.70x = 2,758,540.43 × 640,937.08 - Step 4: Simplify right side
1,839,016.70x = 1,768,050,848,266.14 - Step 5: Solve for x
x = 1,768,050,848,266.14/1,839,016.70 - Step 6: Final answer
x = 961,410.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.