Finding the Fourth Proportional to 4,321,647.66, 6,481,789.92 and 2,719,305.66
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Solution
The fourth proportional to 4,321,647.66, 6,481,789.92 and 2,719,305.66 is: 4,078,529.63
Step by Step Solution
- Step 1: Write the proportion equation
4,321,647.66 : 6,481,789.92 = 2,719,305.66 : x - Step 2: Convert to fraction form
4,321,647.66/6,481,789.92 = 2,719,305.66/x - Step 3: Cross multiply
4,321,647.66x = 6,481,789.92 × 2,719,305.66 - Step 4: Simplify right side
4,321,647.66x = 17,625,968,016,386.95 - Step 5: Solve for x
x = 17,625,968,016,386.95/4,321,647.66 - Step 6: Final answer
x = 4,078,529.63
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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.