Finding the Fourth Proportional to 4,159,843.80, 6,240,932.10 and 1,764,835.80
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Solution
The fourth proportional to 4,159,843.80, 6,240,932.10 and 1,764,835.80 is: 2,647,748.55
Step by Step Solution
- Step 1: Write the proportion equation
4,159,843.80 : 6,240,932.10 = 1,764,835.80 : x - Step 2: Convert to fraction form
4,159,843.80/6,240,932.10 = 1,764,835.80/x - Step 3: Cross multiply
4,159,843.80x = 6,240,932.10 × 1,764,835.80 - Step 4: Simplify right side
4,159,843.80x = 11,014,220,395,449.18 - Step 5: Solve for x
x = 11,014,220,395,449.18/4,159,843.80 - Step 6: Final answer
x = 2,647,748.55
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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.