Finding the Fourth Proportional to 4,184,721.38, 5,774,912.56 and 2,349,183.22
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Solution
The fourth proportional to 4,184,721.38, 5,774,912.56 and 2,349,183.22 is: 3,241,871.19
Step by Step Solution
- Step 1: Write the proportion equation
4,184,721.38 : 5,774,912.56 = 2,349,183.22 : x - Step 2: Convert to fraction form
4,184,721.38/5,774,912.56 = 2,349,183.22/x - Step 3: Cross multiply
4,184,721.38x = 5,774,912.56 × 2,349,183.22 - Step 4: Simplify right side
4,184,721.38x = 13,566,327,682,919.24 - Step 5: Solve for x
x = 13,566,327,682,919.24/4,184,721.38 - Step 6: Final answer
x = 3,241,871.19
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1.5x scale
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.