Finding the Fourth Proportional to 1,761,414.80, 2,430,711.26 and 1,036,309.21
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Solution
The fourth proportional to 1,761,414.80, 2,430,711.26 and 1,036,309.21 is: 1,430,082.49
Step by Step Solution
- Step 1: Write the proportion equation
1,761,414.80 : 2,430,711.26 = 1,036,309.21 : x - Step 2: Convert to fraction form
1,761,414.80/2,430,711.26 = 1,036,309.21/x - Step 3: Cross multiply
1,761,414.80x = 2,430,711.26 × 1,036,309.21 - Step 4: Simplify right side
1,761,414.80x = 2,518,968,465,588.70 - Step 5: Solve for x
x = 2,518,968,465,588.70/1,761,414.80 - Step 6: Final answer
x = 1,430,082.49
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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.