Finding the Fourth Proportional to 4,732,918.58, 7,099,377.84 and 1,138,685.49
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Solution
The fourth proportional to 4,732,918.58, 7,099,377.84 and 1,138,685.49 is: 1,708,028.23
Step by Step Solution
- Step 1: Write the proportion equation
4,732,918.58 : 7,099,377.84 = 1,138,685.49 : x - Step 2: Convert to fraction form
4,732,918.58/7,099,377.84 = 1,138,685.49/x - Step 3: Cross multiply
4,732,918.58x = 7,099,377.84 × 1,138,685.49 - Step 4: Simplify right side
4,732,918.58x = 8,083,958,529,631.77 - Step 5: Solve for x
x = 8,083,958,529,631.77/4,732,918.58 - Step 6: Final answer
x = 1,708,028.23
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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.