Finding the Fourth Proportional to 3,181,952.41, 4,391,193.92 and 1,805,354.07
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Solution
The fourth proportional to 3,181,952.41, 4,391,193.92 and 1,805,354.07 is: 2,491,445.12
Step by Step Solution
- Step 1: Write the proportion equation
3,181,952.41 : 4,391,193.92 = 1,805,354.07 : x - Step 2: Convert to fraction form
3,181,952.41/4,391,193.92 = 1,805,354.07/x - Step 3: Cross multiply
3,181,952.41x = 4,391,193.92 × 1,805,354.07 - Step 4: Simplify right side
3,181,952.41x = 7,927,659,824,993.09 - Step 5: Solve for x
x = 7,927,659,824,993.09/3,181,952.41 - Step 6: Final answer
x = 2,491,445.12
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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.