Finding the Fourth Proportional to 2,642,725.62, 3,638,185.26 and 2,370,322.11
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Solution
The fourth proportional to 2,642,725.62, 3,638,185.26 and 2,370,322.11 is: 3,263,173.03
Step by Step Solution
- Step 1: Write the proportion equation
2,642,725.62 : 3,638,185.26 = 2,370,322.11 : x - Step 2: Convert to fraction form
2,642,725.62/3,638,185.26 = 2,370,322.11/x - Step 3: Cross multiply
2,642,725.62x = 3,638,185.26 × 2,370,322.11 - Step 4: Simplify right side
2,642,725.62x = 8,623,670,962,054.10 - Step 5: Solve for x
x = 8,623,670,962,054.10/2,642,725.62 - Step 6: Final answer
x = 3,263,173.03
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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.