Finding the Fourth Proportional to 5,538,737.68, 8,311,817.40 and 1,944,515.23
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Solution
The fourth proportional to 5,538,737.68, 8,311,817.40 and 1,944,515.23 is: 2,918,075.64
Step by Step Solution
- Step 1: Write the proportion equation
5,538,737.68 : 8,311,817.40 = 1,944,515.23 : x - Step 2: Convert to fraction form
5,538,737.68/8,311,817.40 = 1,944,515.23/x - Step 3: Cross multiply
5,538,737.68x = 8,311,817.40 × 1,944,515.23 - Step 4: Simplify right side
5,538,737.68x = 16,162,455,523,279.00 - Step 5: Solve for x
x = 16,162,455,523,279.00/5,538,737.68 - Step 6: Final answer
x = 2,918,075.64
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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.