Finding the Fourth Proportional to 1,990,862.01, 2,986,303.68 and 494,954.01
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Solution
The fourth proportional to 1,990,862.01, 2,986,303.68 and 494,954.01 is: 742,433.67
Step by Step Solution
- Step 1: Write the proportion equation
1,990,862.01 : 2,986,303.68 = 494,954.01 : x - Step 2: Convert to fraction form
1,990,862.01/2,986,303.68 = 494,954.01/x - Step 3: Cross multiply
1,990,862.01x = 2,986,303.68 × 494,954.01 - Step 4: Simplify right side
1,990,862.01x = 1,478,082,981,493.76 - Step 5: Solve for x
x = 1,478,082,981,493.76/1,990,862.01 - Step 6: Final answer
x = 742,433.67
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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.