Finding the Fourth Proportional to 1,769,120.49, 2,650,006.57 and 1,126,245.02
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Solution
The fourth proportional to 1,769,120.49, 2,650,006.57 and 1,126,245.02 is: 1,687,028.50
Step by Step Solution
- Step 1: Write the proportion equation
1,769,120.49 : 2,650,006.57 = 1,126,245.02 : x - Step 2: Convert to fraction form
1,769,120.49/2,650,006.57 = 1,126,245.02/x - Step 3: Cross multiply
1,769,120.49x = 2,650,006.57 × 1,126,245.02 - Step 4: Simplify right side
1,769,120.49x = 2,984,556,689,179.75 - Step 5: Solve for x
x = 2,984,556,689,179.75/1,769,120.49 - Step 6: Final answer
x = 1,687,028.50
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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.