Finding the Fourth Proportional to 1,620,450.42, 2,235,519 and 975,496.92
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Solution
The fourth proportional to 1,620,450.42, 2,235,519 and 975,496.92 is: 1,345,762.80
Step by Step Solution
- Step 1: Write the proportion equation
1,620,450.42 : 2,235,519 = 975,496.92 : x - Step 2: Convert to fraction form
1,620,450.42/2,235,519 = 975,496.92/x - Step 3: Cross multiply
1,620,450.42x = 2,235,519 × 975,496.92 - Step 4: Simplify right side
1,620,450.42x = 2,180,741,899,101.48 - Step 5: Solve for x
x = 2,180,741,899,101.48/1,620,450.42 - Step 6: Final answer
x = 1,345,762.80
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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.