Finding the Fourth Proportional to 2,990,608.18, 4,463,026.21 and 2,671,481.14
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Solution
The fourth proportional to 2,990,608.18, 4,463,026.21 and 2,671,481.14 is: 3,986,777.82
Step by Step Solution
- Step 1: Write the proportion equation
2,990,608.18 : 4,463,026.21 = 2,671,481.14 : x - Step 2: Convert to fraction form
2,990,608.18/4,463,026.21 = 2,671,481.14/x - Step 3: Cross multiply
2,990,608.18x = 4,463,026.21 × 2,671,481.14 - Step 4: Simplify right side
2,990,608.18x = 11,922,890,347,340.68 - Step 5: Solve for x
x = 11,922,890,347,340.68/2,990,608.18 - Step 6: Final answer
x = 3,986,777.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.