Finding the Fourth Proportional to 4,405,213.21, 6,067,867.30 and 3,113,833.45
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Solution
The fourth proportional to 4,405,213.21, 6,067,867.30 and 3,113,833.45 is: 4,289,083.70
Step by Step Solution
- Step 1: Write the proportion equation
4,405,213.21 : 6,067,867.30 = 3,113,833.45 : x - Step 2: Convert to fraction form
4,405,213.21/6,067,867.30 = 3,113,833.45/x - Step 3: Cross multiply
4,405,213.21x = 6,067,867.30 × 3,113,833.45 - Step 4: Simplify right side
4,405,213.21x = 18,894,328,168,901.19 - Step 5: Solve for x
x = 18,894,328,168,901.19/4,405,213.21 - Step 6: Final answer
x = 4,289,083.70
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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.