Finding the Fourth Proportional to 4,147,626.70, 6,221,440.05 and 1,155,810.70
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Solution
The fourth proportional to 4,147,626.70, 6,221,440.05 and 1,155,810.70 is: 1,733,716.05
Step by Step Solution
- Step 1: Write the proportion equation
4,147,626.70 : 6,221,440.05 = 1,155,810.70 : x - Step 2: Convert to fraction form
4,147,626.70/6,221,440.05 = 1,155,810.70/x - Step 3: Cross multiply
4,147,626.70x = 6,221,440.05 × 1,155,810.70 - Step 4: Simplify right side
4,147,626.70x = 7,190,806,979,198.53 - Step 5: Solve for x
x = 7,190,806,979,198.53/4,147,626.70 - Step 6: Final answer
x = 1,733,716.05
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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.