Finding the Fourth Proportional to 4,007,305.92, 5,530,649.28 and 2,479,905.12
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Solution
The fourth proportional to 4,007,305.92, 5,530,649.28 and 2,479,905.12 is: 3,422,620.02
Step by Step Solution
- Step 1: Write the proportion equation
4,007,305.92 : 5,530,649.28 = 2,479,905.12 : x - Step 2: Convert to fraction form
4,007,305.92/5,530,649.28 = 2,479,905.12/x - Step 3: Cross multiply
4,007,305.92x = 5,530,649.28 × 2,479,905.12 - Step 4: Simplify right side
4,007,305.92x = 13,715,485,466,396.31 - Step 5: Solve for x
x = 13,715,485,466,396.31/4,007,305.92 - Step 6: Final answer
x = 3,422,620.02
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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.