Finding the Fourth Proportional to 3,571,011.24, 4,928,780.16 and 2,347,429.80
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Solution
The fourth proportional to 3,571,011.24, 4,928,780.16 and 2,347,429.80 is: 3,239,968.92
Step by Step Solution
- Step 1: Write the proportion equation
3,571,011.24 : 4,928,780.16 = 2,347,429.80 : x - Step 2: Convert to fraction form
3,571,011.24/4,928,780.16 = 2,347,429.80/x - Step 3: Cross multiply
3,571,011.24x = 4,928,780.16 × 2,347,429.80 - Step 4: Simplify right side
3,571,011.24x = 11,569,965,425,232.77 - Step 5: Solve for x
x = 11,569,965,425,232.77/3,571,011.24 - Step 6: Final answer
x = 3,239,968.92
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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.