Finding the Fourth Proportional to 1,900,380.76, 2,850,704.16 and 763,142.92
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Solution
The fourth proportional to 1,900,380.76, 2,850,704.16 and 763,142.92 is: 1,144,767.80
Step by Step Solution
- Step 1: Write the proportion equation
1,900,380.76 : 2,850,704.16 = 763,142.92 : x - Step 2: Convert to fraction form
1,900,380.76/2,850,704.16 = 763,142.92/x - Step 3: Cross multiply
1,900,380.76x = 2,850,704.16 × 763,142.92 - Step 4: Simplify right side
1,900,380.76x = 2,175,494,696,718.55 - Step 5: Solve for x
x = 2,175,494,696,718.55/1,900,380.76 - Step 6: Final answer
x = 1,144,767.80
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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.