Finding the Fourth Proportional to 4,969,810.80, 7,454,716.20 and 2,574,389.70
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Solution
The fourth proportional to 4,969,810.80, 7,454,716.20 and 2,574,389.70 is: 3,861,584.55
Step by Step Solution
- Step 1: Write the proportion equation
4,969,810.80 : 7,454,716.20 = 2,574,389.70 : x - Step 2: Convert to fraction form
4,969,810.80/7,454,716.20 = 2,574,389.70/x - Step 3: Cross multiply
4,969,810.80x = 7,454,716.20 × 2,574,389.70 - Step 4: Simplify right side
4,969,810.80x = 19,191,344,601,703.14 - Step 5: Solve for x
x = 19,191,344,601,703.14/4,969,810.80 - Step 6: Final answer
x = 3,861,584.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.