Finding the Fourth Proportional to 3,306,473.12, 4,562,931.12 and 1,856,171.36
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Solution
The fourth proportional to 3,306,473.12, 4,562,931.12 and 1,856,171.36 is: 2,561,515.47
Step by Step Solution
- Step 1: Write the proportion equation
3,306,473.12 : 4,562,931.12 = 1,856,171.36 : x - Step 2: Convert to fraction form
3,306,473.12/4,562,931.12 = 1,856,171.36/x - Step 3: Cross multiply
3,306,473.12x = 4,562,931.12 × 1,856,171.36 - Step 4: Simplify right side
3,306,473.12x = 8,469,582,062,596.72 - Step 5: Solve for x
x = 8,469,582,062,596.72/3,306,473.12 - Step 6: Final answer
x = 2,561,515.47
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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.