Finding the Fourth Proportional to 3,193,979.68, 4,407,692.88 and 1,763,195.68
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Solution
The fourth proportional to 3,193,979.68, 4,407,692.88 and 1,763,195.68 is: 2,433,210.55
Step by Step Solution
- Step 1: Write the proportion equation
3,193,979.68 : 4,407,692.88 = 1,763,195.68 : x - Step 2: Convert to fraction form
3,193,979.68/4,407,692.88 = 1,763,195.68/x - Step 3: Cross multiply
3,193,979.68x = 4,407,692.88 × 1,763,195.68 - Step 4: Simplify right side
3,193,979.68x = 7,771,625,044,782.76 - Step 5: Solve for x
x = 7,771,625,044,782.76/3,193,979.68 - Step 6: Final answer
x = 2,433,210.55
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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.