Finding the Fourth Proportional to 2,797,621.40, 3,860,375.05 and 1,764,741.40
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Solution
The fourth proportional to 2,797,621.40, 3,860,375.05 and 1,764,741.40 is: 2,435,127.09
Step by Step Solution
- Step 1: Write the proportion equation
2,797,621.40 : 3,860,375.05 = 1,764,741.40 : x - Step 2: Convert to fraction form
2,797,621.40/3,860,375.05 = 1,764,741.40/x - Step 3: Cross multiply
2,797,621.40x = 3,860,375.05 × 1,764,741.40 - Step 4: Simplify right side
2,797,621.40x = 6,812,563,662,817.06 - Step 5: Solve for x
x = 6,812,563,662,817.06/2,797,621.40 - Step 6: Final answer
x = 2,435,127.09
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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.