Finding the Fourth Proportional to 4,876,357.80, 6,729,299.64 and 2,671,202.96
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Solution
The fourth proportional to 4,876,357.80, 6,729,299.64 and 2,671,202.96 is: 3,686,219.47
Step by Step Solution
- Step 1: Write the proportion equation
4,876,357.80 : 6,729,299.64 = 2,671,202.96 : x - Step 2: Convert to fraction form
4,876,357.80/6,729,299.64 = 2,671,202.96/x - Step 3: Cross multiply
4,876,357.80x = 6,729,299.64 × 2,671,202.96 - Step 4: Simplify right side
4,876,357.80x = 17,975,325,083,448.44 - Step 5: Solve for x
x = 17,975,325,083,448.44/4,876,357.80 - Step 6: Final answer
x = 3,686,219.47
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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.