Finding the Fourth Proportional to 3,992,601.83, 5,989,912.21 and 1,113,967.09
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Solution
The fourth proportional to 3,992,601.83, 5,989,912.21 and 1,113,967.09 is: 1,671,232.28
Step by Step Solution
- Step 1: Write the proportion equation
3,992,601.83 : 5,989,912.21 = 1,113,967.09 : x - Step 2: Convert to fraction form
3,992,601.83/5,989,912.21 = 1,113,967.09/x - Step 3: Cross multiply
3,992,601.83x = 5,989,912.21 × 1,113,967.09 - Step 4: Simplify right side
3,992,601.83x = 6,672,565,043,979.61 - Step 5: Solve for x
x = 6,672,565,043,979.61/3,992,601.83 - Step 6: Final answer
x = 1,671,232.28
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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.