Finding the Fourth Proportional to 5,082,651.12, 7,014,058.58 and 2,790,811.82
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Solution
The fourth proportional to 5,082,651.12, 7,014,058.58 and 2,790,811.82 is: 3,851,320.33
Step by Step Solution
- Step 1: Write the proportion equation
5,082,651.12 : 7,014,058.58 = 2,790,811.82 : x - Step 2: Convert to fraction form
5,082,651.12/7,014,058.58 = 2,790,811.82/x - Step 3: Cross multiply
5,082,651.12x = 7,014,058.58 × 2,790,811.82 - Step 4: Simplify right side
5,082,651.12x = 19,574,917,591,236.41 - Step 5: Solve for x
x = 19,574,917,591,236.41/5,082,651.12 - Step 6: Final answer
x = 3,851,320.33
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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.