Finding the Fourth Proportional to 4,138,234.65, 6,207,279.50 and 1,862,148.11
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Solution
The fourth proportional to 4,138,234.65, 6,207,279.50 and 1,862,148.11 is: 2,793,189.55
Step by Step Solution
- Step 1: Write the proportion equation
4,138,234.65 : 6,207,279.50 = 1,862,148.11 : x - Step 2: Convert to fraction form
4,138,234.65/6,207,279.50 = 1,862,148.11/x - Step 3: Cross multiply
4,138,234.65x = 6,207,279.50 × 1,862,148.11 - Step 4: Simplify right side
4,138,234.65x = 11,558,873,762,785.72 - Step 5: Solve for x
x = 11,558,873,762,785.72/4,138,234.65 - Step 6: Final answer
x = 2,793,189.55
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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.