Finding the Fourth Proportional to 5,619,129.44, 7,754,398.38 and 3,040,810.30
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Solution
The fourth proportional to 5,619,129.44, 7,754,398.38 and 3,040,810.30 is: 4,196,318.08
Step by Step Solution
- Step 1: Write the proportion equation
5,619,129.44 : 7,754,398.38 = 3,040,810.30 : x - Step 2: Convert to fraction form
5,619,129.44/7,754,398.38 = 3,040,810.30/x - Step 3: Cross multiply
5,619,129.44x = 7,754,398.38 × 3,040,810.30 - Step 4: Simplify right side
5,619,129.44x = 23,579,654,464,207.31 - Step 5: Solve for x
x = 23,579,654,464,207.31/5,619,129.44 - Step 6: Final answer
x = 4,196,318.08
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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.