Finding the Fourth Proportional to 3,750,861.44, 5,176,171.68 and 2,031,976.64
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Solution
The fourth proportional to 3,750,861.44, 5,176,171.68 and 2,031,976.64 is: 2,804,118.50
Step by Step Solution
- Step 1: Write the proportion equation
3,750,861.44 : 5,176,171.68 = 2,031,976.64 : x - Step 2: Convert to fraction form
3,750,861.44/5,176,171.68 = 2,031,976.64/x - Step 3: Cross multiply
3,750,861.44x = 5,176,171.68 × 2,031,976.64 - Step 4: Simplify right side
3,750,861.44x = 10,517,859,938,389.55 - Step 5: Solve for x
x = 10,517,859,938,389.55/3,750,861.44 - Step 6: Final answer
x = 2,804,118.50
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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.