Finding the Fourth Proportional to 3,465,720.30, 5,198,580.45 and 2,625,912.30
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Solution
The fourth proportional to 3,465,720.30, 5,198,580.45 and 2,625,912.30 is: 3,938,868.45
Step by Step Solution
- Step 1: Write the proportion equation
3,465,720.30 : 5,198,580.45 = 2,625,912.30 : x - Step 2: Convert to fraction form
3,465,720.30/5,198,580.45 = 2,625,912.30/x - Step 3: Cross multiply
3,465,720.30x = 5,198,580.45 × 2,625,912.30 - Step 4: Simplify right side
3,465,720.30x = 13,651,016,346,194.54 - Step 5: Solve for x
x = 13,651,016,346,194.54/3,465,720.30 - Step 6: Final answer
x = 3,938,868.45
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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.