Finding the Fourth Proportional to 3,056,143.42, 4,217,591.74 and 1,832,648.14
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Solution
The fourth proportional to 3,056,143.42, 4,217,591.74 and 1,832,648.14 is: 2,529,122.69
Step by Step Solution
- Step 1: Write the proportion equation
3,056,143.42 : 4,217,591.74 = 1,832,648.14 : x - Step 2: Convert to fraction form
3,056,143.42/4,217,591.74 = 1,832,648.14/x - Step 3: Cross multiply
3,056,143.42x = 4,217,591.74 × 1,832,648.14 - Step 4: Simplify right side
3,056,143.42x = 7,729,361,657,590.36 - Step 5: Solve for x
x = 7,729,361,657,590.36/3,056,143.42 - Step 6: Final answer
x = 2,529,122.69
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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.