Finding the Fourth Proportional to 1,981,409.40, 2,971,177.20 and 767,554.53
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Solution
The fourth proportional to 1,981,409.40, 2,971,177.20 and 767,554.53 is: 1,150,968.86
Step by Step Solution
- Step 1: Write the proportion equation
1,981,409.40 : 2,971,177.20 = 767,554.53 : x - Step 2: Convert to fraction form
1,981,409.40/2,971,177.20 = 767,554.53/x - Step 3: Cross multiply
1,981,409.40x = 2,971,177.20 × 767,554.53 - Step 4: Simplify right side
1,981,409.40x = 2,280,540,519,292.72 - Step 5: Solve for x
x = 2,280,540,519,292.72/1,981,409.40 - Step 6: Final answer
x = 1,150,968.86
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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.