Finding the Fourth Proportional to 3,043,327.68, 4,199,918.85 and 1,685,200.68
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Solution
The fourth proportional to 3,043,327.68, 4,199,918.85 and 1,685,200.68 is: 2,325,647.07
Step by Step Solution
- Step 1: Write the proportion equation
3,043,327.68 : 4,199,918.85 = 1,685,200.68 : x - Step 2: Convert to fraction form
3,043,327.68/4,199,918.85 = 1,685,200.68/x - Step 3: Cross multiply
3,043,327.68x = 4,199,918.85 × 1,685,200.68 - Step 4: Simplify right side
3,043,327.68x = 7,077,706,101,964.82 - Step 5: Solve for x
x = 7,077,706,101,964.82/3,043,327.68 - Step 6: Final answer
x = 2,325,647.07
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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.