Finding the Fourth Proportional to 5,079,028.24, 7,009,261.16 and 2,787,270.96
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Solution
The fourth proportional to 5,079,028.24, 7,009,261.16 and 2,787,270.96 is: 3,846,544.88
Step by Step Solution
- Step 1: Write the proportion equation
5,079,028.24 : 7,009,261.16 = 2,787,270.96 : x - Step 2: Convert to fraction form
5,079,028.24/7,009,261.16 = 2,787,270.96/x - Step 3: Cross multiply
5,079,028.24x = 7,009,261.16 × 2,787,270.96 - Step 4: Simplify right side
5,079,028.24x = 19,536,710,082,323.91 - Step 5: Solve for x
x = 19,536,710,082,323.91/5,079,028.24 - Step 6: Final answer
x = 3,846,544.88
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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.