Finding the Fourth Proportional to 5,199,796.28, 7,802,414.24 and 2,128,067.30
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Solution
The fourth proportional to 5,199,796.28, 7,802,414.24 and 2,128,067.30 is: 3,193,214.06
Step by Step Solution
- Step 1: Write the proportion equation
5,199,796.28 : 7,802,414.24 = 2,128,067.30 : x - Step 2: Convert to fraction form
5,199,796.28/7,802,414.24 = 2,128,067.30/x - Step 3: Cross multiply
5,199,796.28x = 7,802,414.24 × 2,128,067.30 - Step 4: Simplify right side
5,199,796.28x = 16,604,062,555,545.95 - Step 5: Solve for x
x = 16,604,062,555,545.95/5,199,796.28 - Step 6: Final answer
x = 3,193,214.06
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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.