Finding the Fourth Proportional to 1,510,511.80, 2,265,761.94 and 564,120.76
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Solution
The fourth proportional to 1,510,511.80, 2,265,761.94 and 564,120.76 is: 846,178.99
Step by Step Solution
- Step 1: Write the proportion equation
1,510,511.80 : 2,265,761.94 = 564,120.76 : x - Step 2: Convert to fraction form
1,510,511.80/2,265,761.94 = 564,120.76/x - Step 3: Cross multiply
1,510,511.80x = 2,265,761.94 × 564,120.76 - Step 4: Simplify right side
1,510,511.80x = 1,278,163,347,571.87 - Step 5: Solve for x
x = 1,278,163,347,571.87/1,510,511.80 - Step 6: Final answer
x = 846,178.99
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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.