Finding the Fourth Proportional to 4,135,872.80, 6,203,811.36 and 1,296,206.12
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Solution
The fourth proportional to 4,135,872.80, 6,203,811.36 and 1,296,206.12 is: 1,944,309.86
Step by Step Solution
- Step 1: Write the proportion equation
4,135,872.80 : 6,203,811.36 = 1,296,206.12 : x - Step 2: Convert to fraction form
4,135,872.80/6,203,811.36 = 1,296,206.12/x - Step 3: Cross multiply
4,135,872.80x = 6,203,811.36 × 1,296,206.12 - Step 4: Simplify right side
4,135,872.80x = 8,041,418,252,157.53 - Step 5: Solve for x
x = 8,041,418,252,157.53/4,135,872.80 - Step 6: Final answer
x = 1,944,309.86
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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.