Finding the Fourth Proportional to 5,082,647.62, 7,014,053.75 and 2,790,808.32
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Solution
The fourth proportional to 5,082,647.62, 7,014,053.75 and 2,790,808.32 is: 3,851,315.50
Step by Step Solution
- Step 1: Write the proportion equation
5,082,647.62 : 7,014,053.75 = 2,790,808.32 : x - Step 2: Convert to fraction form
5,082,647.62/7,014,053.75 = 2,790,808.32/x - Step 3: Cross multiply
5,082,647.62x = 7,014,053.75 × 2,790,808.32 - Step 4: Simplify right side
5,082,647.62x = 19,574,879,562,427.20 - Step 5: Solve for x
x = 19,574,879,562,427.20/5,082,647.62 - Step 6: Final answer
x = 3,851,315.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.