Finding the Fourth Proportional to 3,438,674.12, 4,745,419.41 and 1,890,078.98
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Solution
The fourth proportional to 3,438,674.12, 4,745,419.41 and 1,890,078.98 is: 2,608,336.00
Step by Step Solution
- Step 1: Write the proportion equation
3,438,674.12 : 4,745,419.41 = 1,890,078.98 : x - Step 2: Convert to fraction form
3,438,674.12/4,745,419.41 = 1,890,078.98/x - Step 3: Cross multiply
3,438,674.12x = 4,745,419.41 × 1,890,078.98 - Step 4: Simplify right side
3,438,674.12x = 8,969,217,486,906.17 - Step 5: Solve for x
x = 8,969,217,486,906.17/3,438,674.12 - Step 6: Final answer
x = 2,608,336.00
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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.