Finding the Fourth Proportional to 3,201,725.11, 4,418,486.09 and 1,751,387.44
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Solution
The fourth proportional to 3,201,725.11, 4,418,486.09 and 1,751,387.44 is: 2,416,972.34
Step by Step Solution
- Step 1: Write the proportion equation
3,201,725.11 : 4,418,486.09 = 1,751,387.44 : x - Step 2: Convert to fraction form
3,201,725.11/4,418,486.09 = 1,751,387.44/x - Step 3: Cross multiply
3,201,725.11x = 4,418,486.09 × 1,751,387.44 - Step 4: Simplify right side
3,201,725.11x = 7,738,481,041,840.71 - Step 5: Solve for x
x = 7,738,481,041,840.71/3,201,725.11 - Step 6: Final answer
x = 2,416,972.34
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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.