Finding the Fourth Proportional to 1,609,983.80, 2,415,267.30 and 809,250.20
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Solution
The fourth proportional to 1,609,983.80, 2,415,267.30 and 809,250.20 is: 1,214,021.87
Step by Step Solution
- Step 1: Write the proportion equation
1,609,983.80 : 2,415,267.30 = 809,250.20 : x - Step 2: Convert to fraction form
1,609,983.80/2,415,267.30 = 809,250.20/x - Step 3: Cross multiply
1,609,983.80x = 2,415,267.30 × 809,250.20 - Step 4: Simplify right side
1,609,983.80x = 1,954,555,545,578.46 - Step 5: Solve for x
x = 1,954,555,545,578.46/1,609,983.80 - Step 6: Final answer
x = 1,214,021.87
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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.