Finding the Fourth Proportional to 4,126,848.12, 5,685,682.38 and 3,193,346.34
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Solution
The fourth proportional to 4,126,848.12, 5,685,682.38 and 3,193,346.34 is: 4,399,568.99
Step by Step Solution
- Step 1: Write the proportion equation
4,126,848.12 : 5,685,682.38 = 3,193,346.34 : x - Step 2: Convert to fraction form
4,126,848.12/5,685,682.38 = 3,193,346.34/x - Step 3: Cross multiply
4,126,848.12x = 5,685,682.38 × 3,193,346.34 - Step 4: Simplify right side
4,126,848.12x = 18,156,353,018,575.49 - Step 5: Solve for x
x = 18,156,353,018,575.49/4,126,848.12 - Step 6: Final answer
x = 4,399,568.99
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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.