Finding the Fourth Proportional to 2,511,735.36, 3,475,322.28 and 2,190,115.68
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Solution
The fourth proportional to 2,511,735.36, 3,475,322.28 and 2,190,115.68 is: 3,030,318.38
Step by Step Solution
- Step 1: Write the proportion equation
2,511,735.36 : 3,475,322.28 = 2,190,115.68 : x - Step 2: Convert to fraction form
2,511,735.36/3,475,322.28 = 2,190,115.68/x - Step 3: Cross multiply
2,511,735.36x = 3,475,322.28 × 2,190,115.68 - Step 4: Simplify right side
2,511,735.36x = 7,611,357,818,481.35 - Step 5: Solve for x
x = 7,611,357,818,481.35/2,511,735.36 - Step 6: Final answer
x = 3,030,318.38
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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.