Finding the Fourth Proportional to 4,135,873.80, 6,203,812.86 and 1,296,207.12
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Solution
The fourth proportional to 4,135,873.80, 6,203,812.86 and 1,296,207.12 is: 1,944,311.36
Step by Step Solution
- Step 1: Write the proportion equation
4,135,873.80 : 6,203,812.86 = 1,296,207.12 : x - Step 2: Convert to fraction form
4,135,873.80/6,203,812.86 = 1,296,207.12/x - Step 3: Cross multiply
4,135,873.80x = 6,203,812.86 × 1,296,207.12 - Step 4: Simplify right side
4,135,873.80x = 8,041,426,400,279.57 - Step 5: Solve for x
x = 8,041,426,400,279.57/4,135,873.80 - Step 6: Final answer
x = 1,944,311.36
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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.