Finding the Fourth Proportional to 1,990,318.14, 2,981,101.16 and 1,644,846.26
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Solution
The fourth proportional to 1,990,318.14, 2,981,101.16 and 1,644,846.26 is: 2,463,652.91
Step by Step Solution
- Step 1: Write the proportion equation
1,990,318.14 : 2,981,101.16 = 1,644,846.26 : x - Step 2: Convert to fraction form
1,990,318.14/2,981,101.16 = 1,644,846.26/x - Step 3: Cross multiply
1,990,318.14x = 2,981,101.16 × 1,644,846.26 - Step 4: Simplify right side
1,990,318.14x = 4,903,453,070,577.92 - Step 5: Solve for x
x = 4,903,453,070,577.92/1,990,318.14 - Step 6: Final answer
x = 2,463,652.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.