Finding the Fourth Proportional to 1,960,052.72, 2,935,792.56 and 1,389,704.99
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Solution
The fourth proportional to 1,960,052.72, 2,935,792.56 and 1,389,704.99 is: 2,081,518.28
Step by Step Solution
- Step 1: Write the proportion equation
1,960,052.72 : 2,935,792.56 = 1,389,704.99 : x - Step 2: Convert to fraction form
1,960,052.72/2,935,792.56 = 1,389,704.99/x - Step 3: Cross multiply
1,960,052.72x = 2,935,792.56 × 1,389,704.99 - Step 4: Simplify right side
1,960,052.72x = 4,079,885,570,236.87 - Step 5: Solve for x
x = 4,079,885,570,236.87/1,960,052.72 - Step 6: Final answer
x = 2,081,518.28
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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.