Finding the Fourth Proportional to 1,402,383.18, 2,102,826.29 and 727,785.21
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Solution
The fourth proportional to 1,402,383.18, 2,102,826.29 and 727,785.21 is: 1,091,289.38
Step by Step Solution
- Step 1: Write the proportion equation
1,402,383.18 : 2,102,826.29 = 727,785.21 : x - Step 2: Convert to fraction form
1,402,383.18/2,102,826.29 = 727,785.21/x - Step 3: Cross multiply
1,402,383.18x = 2,102,826.29 × 727,785.21 - Step 4: Simplify right side
1,402,383.18x = 1,530,405,869,422.25 - Step 5: Solve for x
x = 1,530,405,869,422.25/1,402,383.18 - Step 6: Final answer
x = 1,091,289.38
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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.