Finding the Fourth Proportional to 3,388,059.74, 5,082,155.12 and 829,297.08
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Solution
The fourth proportional to 3,388,059.74, 5,082,155.12 and 829,297.08 is: 1,243,961.65
Step by Step Solution
- Step 1: Write the proportion equation
3,388,059.74 : 5,082,155.12 = 829,297.08 : x - Step 2: Convert to fraction form
3,388,059.74/5,082,155.12 = 829,297.08/x - Step 3: Cross multiply
3,388,059.74x = 5,082,155.12 × 829,297.08 - Step 4: Simplify right side
3,388,059.74x = 4,214,616,401,123.05 - Step 5: Solve for x
x = 4,214,616,401,123.05/3,388,059.74 - Step 6: Final answer
x = 1,243,961.65
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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.