Finding the Fourth Proportional to 3,120,723.44, 4,679,217.12 and 1,296,889.08
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Solution
The fourth proportional to 3,120,723.44, 4,679,217.12 and 1,296,889.08 is: 1,944,557.31
Step by Step Solution
- Step 1: Write the proportion equation
3,120,723.44 : 4,679,217.12 = 1,296,889.08 : x - Step 2: Convert to fraction form
3,120,723.44/4,679,217.12 = 1,296,889.08/x - Step 3: Cross multiply
3,120,723.44x = 4,679,217.12 × 1,296,889.08 - Step 4: Simplify right side
3,120,723.44x = 6,068,425,585,877.05 - Step 5: Solve for x
x = 6,068,425,585,877.05/3,120,723.44 - Step 6: Final answer
x = 1,944,557.31
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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.