Finding the Fourth Proportional to 6,343,806.81, 8,754,431.25 and 3,443,197.53
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Solution
The fourth proportional to 6,343,806.81, 8,754,431.25 and 3,443,197.53 is: 4,751,600.57
Step by Step Solution
- Step 1: Write the proportion equation
6,343,806.81 : 8,754,431.25 = 3,443,197.53 : x - Step 2: Convert to fraction form
6,343,806.81/8,754,431.25 = 3,443,197.53/x - Step 3: Cross multiply
6,343,806.81x = 8,754,431.25 × 3,443,197.53 - Step 4: Simplify right side
6,343,806.81x = 30,143,236,056,554.81 - Step 5: Solve for x
x = 30,143,236,056,554.81/6,343,806.81 - Step 6: Final answer
x = 4,751,600.57
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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.