Finding the Fourth Proportional to 3,746,466.13, 5,170,138.83 and 2,027,586.49
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Solution
The fourth proportional to 3,746,466.13, 5,170,138.83 and 2,027,586.49 is: 2,798,077.78
Step by Step Solution
- Step 1: Write the proportion equation
3,746,466.13 : 5,170,138.83 = 2,027,586.49 : x - Step 2: Convert to fraction form
3,746,466.13/5,170,138.83 = 2,027,586.49/x - Step 3: Cross multiply
3,746,466.13x = 5,170,138.83 × 2,027,586.49 - Step 4: Simplify right side
3,746,466.13x = 10,482,903,643,132.41 - Step 5: Solve for x
x = 10,482,903,643,132.41/3,746,466.13 - Step 6: Final answer
x = 2,798,077.78
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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.