Finding the Fourth Proportional to 7,618,584.40, 11,427,280.44 and 2,227,284.88
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Solution
The fourth proportional to 7,618,584.40, 11,427,280.44 and 2,227,284.88 is: 3,340,753.03
Step by Step Solution
- Step 1: Write the proportion equation
7,618,584.40 : 11,427,280.44 = 2,227,284.88 : x - Step 2: Convert to fraction form
7,618,584.40/11,427,280.44 = 2,227,284.88/x - Step 3: Cross multiply
7,618,584.40x = 11,427,280.44 × 2,227,284.88 - Step 4: Simplify right side
7,618,584.40x = 25,451,808,943,531.75 - Step 5: Solve for x
x = 25,451,808,943,531.75/7,618,584.40 - Step 6: Final answer
x = 3,340,753.03
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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.