Finding the Fourth Proportional to 5,435,813.36, 8,135,977.50 and 3,996,115.66
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Solution
The fourth proportional to 5,435,813.36, 8,135,977.50 and 3,996,115.66 is: 5,981,130.14
Step by Step Solution
- Step 1: Write the proportion equation
5,435,813.36 : 8,135,977.50 = 3,996,115.66 : x - Step 2: Convert to fraction form
5,435,813.36/8,135,977.50 = 3,996,115.66/x - Step 3: Cross multiply
5,435,813.36x = 8,135,977.50 × 3,996,115.66 - Step 4: Simplify right side
5,435,813.36x = 32,512,307,097,157.65 - Step 5: Solve for x
x = 32,512,307,097,157.65/5,435,813.36 - Step 6: Final answer
x = 5,981,130.14
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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.