Finding the Fourth Proportional to 1,646,167.40, 2,469,251.10 and 699,415.10
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Solution
The fourth proportional to 1,646,167.40, 2,469,251.10 and 699,415.10 is: 1,049,122.65
Step by Step Solution
- Step 1: Write the proportion equation
1,646,167.40 : 2,469,251.10 = 699,415.10 : x - Step 2: Convert to fraction form
1,646,167.40/2,469,251.10 = 699,415.10/x - Step 3: Cross multiply
1,646,167.40x = 2,469,251.10 × 699,415.10 - Step 4: Simplify right side
1,646,167.40x = 1,727,031,505,031.61 - Step 5: Solve for x
x = 1,727,031,505,031.61/1,646,167.40 - Step 6: Final answer
x = 1,049,122.65
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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.