Finding the Fourth Proportional to 6,638,286.25, 9,959,201.45 and 2,378,885.05
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Solution
The fourth proportional to 6,638,286.25, 9,959,201.45 and 2,378,885.05 is: 3,568,962.62
Step by Step Solution
- Step 1: Write the proportion equation
6,638,286.25 : 9,959,201.45 = 2,378,885.05 : x - Step 2: Convert to fraction form
6,638,286.25/9,959,201.45 = 2,378,885.05/x - Step 3: Cross multiply
6,638,286.25x = 9,959,201.45 × 2,378,885.05 - Step 4: Simplify right side
6,638,286.25x = 23,691,795,462,199.95 - Step 5: Solve for x
x = 23,691,795,462,199.95/6,638,286.25 - Step 6: Final answer
x = 3,568,962.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.