Finding the Fourth Proportional to 5,620,331.88, 8,430,519.96 and 1,360,493.28
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Solution
The fourth proportional to 5,620,331.88, 8,430,519.96 and 1,360,493.28 is: 2,040,745.28
Step by Step Solution
- Step 1: Write the proportion equation
5,620,331.88 : 8,430,519.96 = 1,360,493.28 : x - Step 2: Convert to fraction form
5,620,331.88/8,430,519.96 = 1,360,493.28/x - Step 3: Cross multiply
5,620,331.88x = 8,430,519.96 × 1,360,493.28 - Step 4: Simplify right side
5,620,331.88x = 11,469,665,752,485.87 - Step 5: Solve for x
x = 11,469,665,752,485.87/5,620,331.88 - Step 6: Final answer
x = 2,040,745.28
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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.