Finding the Fourth Proportional to 2,131,257.62, 2,941,177.84 and 1,164,447.80
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Solution
The fourth proportional to 2,131,257.62, 2,941,177.84 and 1,164,447.80 is: 1,606,961.08
Step by Step Solution
- Step 1: Write the proportion equation
2,131,257.62 : 2,941,177.84 = 1,164,447.80 : x - Step 2: Convert to fraction form
2,131,257.62/2,941,177.84 = 1,164,447.80/x - Step 3: Cross multiply
2,131,257.62x = 2,941,177.84 × 1,164,447.80 - Step 4: Simplify right side
2,131,257.62x = 3,424,848,058,609.16 - Step 5: Solve for x
x = 3,424,848,058,609.16/2,131,257.62 - Step 6: Final answer
x = 1,606,961.08
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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.