Finding the Fourth Proportional to 2,080,341.70, 3,120,512.55 and 1,775,911.30
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Solution
The fourth proportional to 2,080,341.70, 3,120,512.55 and 1,775,911.30 is: 2,663,866.95
Step by Step Solution
- Step 1: Write the proportion equation
2,080,341.70 : 3,120,512.55 = 1,775,911.30 : x - Step 2: Convert to fraction form
2,080,341.70/3,120,512.55 = 1,775,911.30/x - Step 3: Cross multiply
2,080,341.70x = 3,120,512.55 × 1,775,911.30 - Step 4: Simplify right side
2,080,341.70x = 5,541,753,499,336.81 - Step 5: Solve for x
x = 5,541,753,499,336.81/2,080,341.70 - Step 6: Final answer
x = 2,663,866.95
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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.