Finding the Fourth Proportional to 1,819,124.80, 2,728,695.30 and 471,191.65
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Solution
The fourth proportional to 1,819,124.80, 2,728,695.30 and 471,191.65 is: 706,789.57
Step by Step Solution
- Step 1: Write the proportion equation
1,819,124.80 : 2,728,695.30 = 471,191.65 : x - Step 2: Convert to fraction form
1,819,124.80/2,728,695.30 = 471,191.65/x - Step 3: Cross multiply
1,819,124.80x = 2,728,695.30 × 471,191.65 - Step 4: Simplify right side
1,819,124.80x = 1,285,738,440,754.24 - Step 5: Solve for x
x = 1,285,738,440,754.24/1,819,124.80 - Step 6: Final answer
x = 706,789.57
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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.