Finding the Fourth Proportional to 4,136,509.31, 6,205,760.69 and 1,296,621.42
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Solution
The fourth proportional to 4,136,509.31, 6,205,760.69 and 1,296,621.42 is: 1,945,244.56
Step by Step Solution
- Step 1: Write the proportion equation
4,136,509.31 : 6,205,760.69 = 1,296,621.42 : x - Step 2: Convert to fraction form
4,136,509.31/6,205,760.69 = 1,296,621.42/x - Step 3: Cross multiply
4,136,509.31x = 6,205,760.69 × 1,296,621.42 - Step 4: Simplify right side
4,136,509.31x = 8,046,522,231,564.87 - Step 5: Solve for x
x = 8,046,522,231,564.87/4,136,509.31 - Step 6: Final answer
x = 1,945,244.56
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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.