Finding the Fourth Proportional to 2,330,090.27, 3,215,319.86 and 1,297,520.09
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Solution
The fourth proportional to 2,330,090.27, 3,215,319.86 and 1,297,520.09 is: 1,790,463.73
Step by Step Solution
- Step 1: Write the proportion equation
2,330,090.27 : 3,215,319.86 = 1,297,520.09 : x - Step 2: Convert to fraction form
2,330,090.27/3,215,319.86 = 1,297,520.09/x - Step 3: Cross multiply
2,330,090.27x = 3,215,319.86 × 1,297,520.09 - Step 4: Simplify right side
2,330,090.27x = 4,171,942,114,125.99 - Step 5: Solve for x
x = 4,171,942,114,125.99/2,330,090.27 - Step 6: Final answer
x = 1,790,463.73
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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.