Finding the Fourth Proportional to 1,816,231.70, 2,505,833.87 and 1,031,169.17
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Solution
The fourth proportional to 1,816,231.70, 2,505,833.87 and 1,031,169.17 is: 1,422,692.17
Step by Step Solution
- Step 1: Write the proportion equation
1,816,231.70 : 2,505,833.87 = 1,031,169.17 : x - Step 2: Convert to fraction form
1,816,231.70/2,505,833.87 = 1,031,169.17/x - Step 3: Cross multiply
1,816,231.70x = 2,505,833.87 × 1,031,169.17 - Step 4: Simplify right side
1,816,231.70x = 2,583,938,614,200.77 - Step 5: Solve for x
x = 2,583,938,614,200.77/1,816,231.70 - Step 6: Final answer
x = 1,422,692.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.