Finding the Fourth Proportional to 5,440,187.64, 7,507,474.56 and 2,992,957.32
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Solution
The fourth proportional to 5,440,187.64, 7,507,474.56 and 2,992,957.32 is: 4,130,289.69
Step by Step Solution
- Step 1: Write the proportion equation
5,440,187.64 : 7,507,474.56 = 2,992,957.32 : x - Step 2: Convert to fraction form
5,440,187.64/7,507,474.56 = 2,992,957.32/x - Step 3: Cross multiply
5,440,187.64x = 7,507,474.56 × 2,992,957.32 - Step 4: Simplify right side
5,440,187.64x = 22,469,550,939,065.78 - Step 5: Solve for x
x = 22,469,550,939,065.78/5,440,187.64 - Step 6: Final answer
x = 4,130,289.69
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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.