Finding the Fourth Proportional to 4,811,756.40, 6,639,379.84 and 2,745,828.72
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Solution
The fourth proportional to 4,811,756.40, 6,639,379.84 and 2,745,828.72 is: 3,788,762.01
Step by Step Solution
- Step 1: Write the proportion equation
4,811,756.40 : 6,639,379.84 = 2,745,828.72 : x - Step 2: Convert to fraction form
4,811,756.40/6,639,379.84 = 2,745,828.72/x - Step 3: Cross multiply
4,811,756.40x = 6,639,379.84 × 2,745,828.72 - Step 4: Simplify right side
4,811,756.40x = 18,230,599,847,661.00 - Step 5: Solve for x
x = 18,230,599,847,661.00/4,811,756.40 - Step 6: Final answer
x = 3,788,762.01
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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.