Finding the Fourth Proportional to 3,339,479.01, 4,608,489.91 and 1,811,586.14
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Solution
The fourth proportional to 3,339,479.01, 4,608,489.91 and 1,811,586.14 is: 2,499,993.69
Step by Step Solution
- Step 1: Write the proportion equation
3,339,479.01 : 4,608,489.91 = 1,811,586.14 : x - Step 2: Convert to fraction form
3,339,479.01/4,608,489.91 = 1,811,586.14/x - Step 3: Cross multiply
3,339,479.01x = 4,608,489.91 × 1,811,586.14 - Step 4: Simplify right side
3,339,479.01x = 8,348,676,447,285.85 - Step 5: Solve for x
x = 8,348,676,447,285.85/3,339,479.01 - Step 6: Final answer
x = 2,499,993.69
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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.