Finding the Fourth Proportional to 2,079,070.80, 3,119,059.80 and 1,180,942.80
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Solution
The fourth proportional to 2,079,070.80, 3,119,059.80 and 1,180,942.80 is: 1,771,671.85
Step by Step Solution
- Step 1: Write the proportion equation
2,079,070.80 : 3,119,059.80 = 1,180,942.80 : x - Step 2: Convert to fraction form
2,079,070.80/3,119,059.80 = 1,180,942.80/x - Step 3: Cross multiply
2,079,070.80x = 3,119,059.80 × 1,180,942.80 - Step 4: Simplify right side
2,079,070.80x = 3,683,431,213,579.44 - Step 5: Solve for x
x = 3,683,431,213,579.44/2,079,070.80 - Step 6: Final answer
x = 1,771,671.85
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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.