Finding the Fourth Proportional to 2,412,132.94, 3,328,745.97 and 1,432,267.54
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Solution
The fourth proportional to 2,412,132.94, 3,328,745.97 and 1,432,267.54 is: 1,976,530.70
Step by Step Solution
- Step 1: Write the proportion equation
2,412,132.94 : 3,328,745.97 = 1,432,267.54 : x - Step 2: Convert to fraction form
2,412,132.94/3,328,745.97 = 1,432,267.54/x - Step 3: Cross multiply
2,412,132.94x = 3,328,745.97 × 1,432,267.54 - Step 4: Simplify right side
2,412,132.94x = 4,767,654,801,736.81 - Step 5: Solve for x
x = 4,767,654,801,736.81/2,412,132.94 - Step 6: Final answer
x = 1,976,530.70
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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.