Finding the Fourth Proportional to 4,052,136.09, 6,078,629.81 and 1,319,896.41
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Solution
The fourth proportional to 4,052,136.09, 6,078,629.81 and 1,319,896.41 is: 1,979,983.27
Step by Step Solution
- Step 1: Write the proportion equation
4,052,136.09 : 6,078,629.81 = 1,319,896.41 : x - Step 2: Convert to fraction form
4,052,136.09/6,078,629.81 = 1,319,896.41/x - Step 3: Cross multiply
4,052,136.09x = 6,078,629.81 × 1,319,896.41 - Step 4: Simplify right side
4,052,136.09x = 8,023,161,663,937.98 - Step 5: Solve for x
x = 8,023,161,663,937.98/4,052,136.09 - Step 6: Final answer
x = 1,979,983.27
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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.