Finding the Fourth Proportional to 2,190,680.58, 3,286,394.52 and 976,697.70
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Solution
The fourth proportional to 2,190,680.58, 3,286,394.52 and 976,697.70 is: 1,465,213.14
Step by Step Solution
- Step 1: Write the proportion equation
2,190,680.58 : 3,286,394.52 = 976,697.70 : x - Step 2: Convert to fraction form
2,190,680.58/3,286,394.52 = 976,697.70/x - Step 3: Cross multiply
2,190,680.58x = 3,286,394.52 × 976,697.70 - Step 4: Simplify right side
2,190,680.58x = 3,209,813,968,976.60 - Step 5: Solve for x
x = 3,209,813,968,976.60/2,190,680.58 - Step 6: Final answer
x = 1,465,213.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.