Finding the Fourth Proportional to 2,291,987.25, 3,163,040.82 and 1,273,392
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Solution
The fourth proportional to 2,291,987.25, 3,163,040.82 and 1,273,392 is: 1,757,335.64
Step by Step Solution
- Step 1: Write the proportion equation
2,291,987.25 : 3,163,040.82 = 1,273,392 : x - Step 2: Convert to fraction form
2,291,987.25/3,163,040.82 = 1,273,392/x - Step 3: Cross multiply
2,291,987.25x = 3,163,040.82 × 1,273,392 - Step 4: Simplify right side
2,291,987.25x = 4,027,790,875,861.44 - Step 5: Solve for x
x = 4,027,790,875,861.44/2,291,987.25 - Step 6: Final answer
x = 1,757,335.64
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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.