Finding the Fourth Proportional to 3,189,086.24, 4,400,973.36 and 1,738,769.84
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Solution
The fourth proportional to 3,189,086.24, 4,400,973.36 and 1,738,769.84 is: 2,399,521.11
Step by Step Solution
- Step 1: Write the proportion equation
3,189,086.24 : 4,400,973.36 = 1,738,769.84 : x - Step 2: Convert to fraction form
3,189,086.24/4,400,973.36 = 1,738,769.84/x - Step 3: Cross multiply
3,189,086.24x = 4,400,973.36 × 1,738,769.84 - Step 4: Simplify right side
3,189,086.24x = 7,652,279,745,011.46 - Step 5: Solve for x
x = 7,652,279,745,011.46/3,189,086.24 - Step 6: Final answer
x = 2,399,521.11
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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.