Finding the Fourth Proportional to 6,117,754.40, 9,168,337.20 and 4,090,234.40
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Solution
The fourth proportional to 6,117,754.40, 9,168,337.20 and 4,090,234.40 is: 6,129,806.09
Step by Step Solution
- Step 1: Write the proportion equation
6,117,754.40 : 9,168,337.20 = 4,090,234.40 : x - Step 2: Convert to fraction form
6,117,754.40/9,168,337.20 = 4,090,234.40/x - Step 3: Cross multiply
6,117,754.40x = 9,168,337.20 × 4,090,234.40 - Step 4: Simplify right side
6,117,754.40x = 37,500,648,206,239.68 - Step 5: Solve for x
x = 37,500,648,206,239.68/6,117,754.40 - Step 6: Final answer
x = 6,129,806.09
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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.