Finding the Fourth Proportional to 4,456,433.28, 6,149,229.12 and 2,548,352.64
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Solution
The fourth proportional to 4,456,433.28, 6,149,229.12 and 2,548,352.64 is: 3,516,355.63
Step by Step Solution
- Step 1: Write the proportion equation
4,456,433.28 : 6,149,229.12 = 2,548,352.64 : x - Step 2: Convert to fraction form
4,456,433.28/6,149,229.12 = 2,548,352.64/x - Step 3: Cross multiply
4,456,433.28x = 6,149,229.12 × 2,548,352.64 - Step 4: Simplify right side
4,456,433.28x = 15,670,404,261,916.88 - Step 5: Solve for x
x = 15,670,404,261,916.88/4,456,433.28 - Step 6: Final answer
x = 3,516,355.63
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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.