Finding the Fourth Proportional to 5,435,803.99, 8,135,963.39 and 3,996,106.25
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Solution
The fourth proportional to 5,435,803.99, 8,135,963.39 and 3,996,106.25 is: 5,981,115.98
Step by Step Solution
- Step 1: Write the proportion equation
5,435,803.99 : 8,135,963.39 = 3,996,106.25 : x - Step 2: Convert to fraction form
5,435,803.99/8,135,963.39 = 3,996,106.25/x - Step 3: Cross multiply
5,435,803.99x = 8,135,963.39 × 3,996,106.25 - Step 4: Simplify right side
5,435,803.99x = 32,512,174,121,860.64 - Step 5: Solve for x
x = 32,512,174,121,860.64/5,435,803.99 - Step 6: Final answer
x = 5,981,115.98
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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.