Finding the Fourth Proportional to 4,950,447.20, 6,831,687.12 and 3,016,789.28
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Solution
The fourth proportional to 4,950,447.20, 6,831,687.12 and 3,016,789.28 is: 4,163,211.85
Step by Step Solution
- Step 1: Write the proportion equation
4,950,447.20 : 6,831,687.12 = 3,016,789.28 : x - Step 2: Convert to fraction form
4,950,447.20/6,831,687.12 = 3,016,789.28/x - Step 3: Cross multiply
4,950,447.20x = 6,831,687.12 × 3,016,789.28 - Step 4: Simplify right side
4,950,447.20x = 20,609,760,467,930.07 - Step 5: Solve for x
x = 20,609,760,467,930.07/4,950,447.20 - Step 6: Final answer
x = 4,163,211.85
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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.