Finding the Fourth Proportional to 6,381,795.21, 9,572,776.11 and 2,121,963.44
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Solution
The fourth proportional to 6,381,795.21, 9,572,776.11 and 2,121,963.44 is: 3,182,972.85
Step by Step Solution
- Step 1: Write the proportion equation
6,381,795.21 : 9,572,776.11 = 2,121,963.44 : x - Step 2: Convert to fraction form
6,381,795.21/9,572,776.11 = 2,121,963.44/x - Step 3: Cross multiply
6,381,795.21x = 9,572,776.11 × 2,121,963.44 - Step 4: Simplify right side
6,381,795.21x = 20,313,080,876,861.54 - Step 5: Solve for x
x = 20,313,080,876,861.54/6,381,795.21 - Step 6: Final answer
x = 3,182,972.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.