Finding the Fourth Proportional to 4,159,114.40, 6,238,622 and 1,319,251.20
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Solution
The fourth proportional to 4,159,114.40, 6,238,622 and 1,319,251.20 is: 1,978,861.07
Step by Step Solution
- Step 1: Write the proportion equation
4,159,114.40 : 6,238,622 = 1,319,251.20 : x - Step 2: Convert to fraction form
4,159,114.40/6,238,622 = 1,319,251.20/x - Step 3: Cross multiply
4,159,114.40x = 6,238,622 × 1,319,251.20 - Step 4: Simplify right side
4,159,114.40x = 8,230,309,559,846.40 - Step 5: Solve for x
x = 8,230,309,559,846.40/4,159,114.40 - Step 6: Final answer
x = 1,978,861.07
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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.