Finding the Fourth Proportional to 3,548,319.62, 4,895,135.98 and 2,171,724.62
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Solution
The fourth proportional to 3,548,319.62, 4,895,135.98 and 2,171,724.62 is: 2,996,034.31
Step by Step Solution
- Step 1: Write the proportion equation
3,548,319.62 : 4,895,135.98 = 2,171,724.62 : x - Step 2: Convert to fraction form
3,548,319.62/4,895,135.98 = 2,171,724.62/x - Step 3: Cross multiply
3,548,319.62x = 4,895,135.98 × 2,171,724.62 - Step 4: Simplify right side
3,548,319.62x = 10,630,887,296,108.84 - Step 5: Solve for x
x = 10,630,887,296,108.84/3,548,319.62 - Step 6: Final answer
x = 2,996,034.31
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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.