Finding the Fourth Proportional to 3,177,529.12, 4,385,469.60 and 1,937,858.79
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Solution
The fourth proportional to 3,177,529.12, 4,385,469.60 and 1,937,858.79 is: 2,674,537.51
Step by Step Solution
- Step 1: Write the proportion equation
3,177,529.12 : 4,385,469.60 = 1,937,858.79 : x - Step 2: Convert to fraction form
3,177,529.12/4,385,469.60 = 1,937,858.79/x - Step 3: Cross multiply
3,177,529.12x = 4,385,469.60 × 1,937,858.79 - Step 4: Simplify right side
3,177,529.12x = 8,498,420,812,637.78 - Step 5: Solve for x
x = 8,498,420,812,637.78/3,177,529.12 - Step 6: Final answer
x = 2,674,537.51
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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.