Finding the Fourth Proportional to 1,466,201.80, 2,199,302.70 and 990,310.60
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Solution
The fourth proportional to 1,466,201.80, 2,199,302.70 and 990,310.60 is: 1,485,465.90
Step by Step Solution
- Step 1: Write the proportion equation
1,466,201.80 : 2,199,302.70 = 990,310.60 : x - Step 2: Convert to fraction form
1,466,201.80/2,199,302.70 = 990,310.60/x - Step 3: Cross multiply
1,466,201.80x = 2,199,302.70 × 990,310.60 - Step 4: Simplify right side
1,466,201.80x = 2,177,992,776,418.62 - Step 5: Solve for x
x = 2,177,992,776,418.62/1,466,201.80 - Step 6: Final answer
x = 1,485,465.90
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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.