Finding the Fourth Proportional to 3,882,206.37, 5,357,466.11 and 2,251,580.68
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Solution
The fourth proportional to 3,882,206.37, 5,357,466.11 and 2,251,580.68 is: 3,107,193.70
Step by Step Solution
- Step 1: Write the proportion equation
3,882,206.37 : 5,357,466.11 = 2,251,580.68 : x - Step 2: Convert to fraction form
3,882,206.37/5,357,466.11 = 2,251,580.68/x - Step 3: Cross multiply
3,882,206.37x = 5,357,466.11 × 2,251,580.68 - Step 4: Simplify right side
3,882,206.37x = 12,062,767,187,030.76 - Step 5: Solve for x
x = 12,062,767,187,030.76/3,882,206.37 - Step 6: Final answer
x = 3,107,193.70
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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.