Finding the Fourth Proportional to 3,949,984.07, 5,926,687.47 and 1,393,026.17
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Solution
The fourth proportional to 3,949,984.07, 5,926,687.47 and 1,393,026.17 is: 2,090,142.80
Step by Step Solution
- Step 1: Write the proportion equation
3,949,984.07 : 5,926,687.47 = 1,393,026.17 : x - Step 2: Convert to fraction form
3,949,984.07/5,926,687.47 = 1,393,026.17/x - Step 3: Cross multiply
3,949,984.07x = 5,926,687.47 × 1,393,026.17 - Step 4: Simplify right side
3,949,984.07x = 8,256,030,747,121.09 - Step 5: Solve for x
x = 8,256,030,747,121.09/3,949,984.07 - Step 6: Final answer
x = 2,090,142.80
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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.