Finding the Fourth Proportional to 3,228,849.68, 4,454,806.56 and 1,833,182.96
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Solution
The fourth proportional to 3,228,849.68, 4,454,806.56 and 1,833,182.96 is: 2,529,221.33
Step by Step Solution
- Step 1: Write the proportion equation
3,228,849.68 : 4,454,806.56 = 1,833,182.96 : x - Step 2: Convert to fraction form
3,228,849.68/4,454,806.56 = 1,833,182.96/x - Step 3: Cross multiply
3,228,849.68x = 4,454,806.56 × 1,833,182.96 - Step 4: Simplify right side
3,228,849.68x = 8,166,475,475,888.22 - Step 5: Solve for x
x = 8,166,475,475,888.22/3,228,849.68 - Step 6: Final answer
x = 2,529,221.33
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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.