Finding the Fourth Proportional to 2,088,252.70, 3,132,379.05 and 1,286,935.90
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Solution
The fourth proportional to 2,088,252.70, 3,132,379.05 and 1,286,935.90 is: 1,930,403.85
Step by Step Solution
- Step 1: Write the proportion equation
2,088,252.70 : 3,132,379.05 = 1,286,935.90 : x - Step 2: Convert to fraction form
2,088,252.70/3,132,379.05 = 1,286,935.90/x - Step 3: Cross multiply
2,088,252.70x = 3,132,379.05 × 1,286,935.90 - Step 4: Simplify right side
2,088,252.70x = 4,031,171,051,852.89 - Step 5: Solve for x
x = 4,031,171,051,852.89/2,088,252.70 - Step 6: Final answer
x = 1,930,403.85
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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.