Finding the Fourth Proportional to 5,471,083.56, 7,553,577.36 and 3,409,128.36
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Solution
The fourth proportional to 5,471,083.56, 7,553,577.36 and 3,409,128.36 is: 4,706,766.86
Step by Step Solution
- Step 1: Write the proportion equation
5,471,083.56 : 7,553,577.36 = 3,409,128.36 : x - Step 2: Convert to fraction form
5,471,083.56/7,553,577.36 = 3,409,128.36/x - Step 3: Cross multiply
5,471,083.56x = 7,553,577.36 × 3,409,128.36 - Step 4: Simplify right side
5,471,083.56x = 25,751,114,797,429.93 - Step 5: Solve for x
x = 25,751,114,797,429.93/5,471,083.56 - Step 6: Final answer
x = 4,706,766.86
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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.