Finding the Fourth Proportional to 1,646,635.40, 2,469,953.10 and 649,233.80
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Solution
The fourth proportional to 1,646,635.40, 2,469,953.10 and 649,233.80 is: 973,850.70
Step by Step Solution
- Step 1: Write the proportion equation
1,646,635.40 : 2,469,953.10 = 649,233.80 : x - Step 2: Convert to fraction form
1,646,635.40/2,469,953.10 = 649,233.80/x - Step 3: Cross multiply
1,646,635.40x = 2,469,953.10 × 649,233.80 - Step 4: Simplify right side
1,646,635.40x = 1,603,577,036,934.78 - Step 5: Solve for x
x = 1,603,577,036,934.78/1,646,635.40 - Step 6: Final answer
x = 973,850.70
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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.