Finding the Fourth Proportional to 5,557,892.20, 8,334,764.70 and 2,191,402.60
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Solution
The fourth proportional to 5,557,892.20, 8,334,764.70 and 2,191,402.60 is: 3,286,286.31
Step by Step Solution
- Step 1: Write the proportion equation
5,557,892.20 : 8,334,764.70 = 2,191,402.60 : x - Step 2: Convert to fraction form
5,557,892.20/8,334,764.70 = 2,191,402.60/x - Step 3: Cross multiply
5,557,892.20x = 8,334,764.70 × 2,191,402.60 - Step 4: Simplify right side
5,557,892.20x = 18,264,825,033,968.22 - Step 5: Solve for x
x = 18,264,825,033,968.22/5,557,892.20 - Step 6: Final answer
x = 3,286,286.31
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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.