Finding the Fourth Proportional to 5,203,317.09, 7,180,397.46 and 2,880,310.95
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Solution
The fourth proportional to 5,203,317.09, 7,180,397.46 and 2,880,310.95 is: 3,974,729.40
Step by Step Solution
- Step 1: Write the proportion equation
5,203,317.09 : 7,180,397.46 = 2,880,310.95 : x - Step 2: Convert to fraction form
5,203,317.09/7,180,397.46 = 2,880,310.95/x - Step 3: Cross multiply
5,203,317.09x = 7,180,397.46 × 2,880,310.95 - Step 4: Simplify right side
5,203,317.09x = 20,681,777,429,390.19 - Step 5: Solve for x
x = 20,681,777,429,390.19/5,203,317.09 - Step 6: Final answer
x = 3,974,729.40
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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.