Finding the Fourth Proportional to 6,240,625.20, 9,353,939.40 and 3,206,818.80
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Solution
The fourth proportional to 6,240,625.20, 9,353,939.40 and 3,206,818.80 is: 4,806,631.99
Step by Step Solution
- Step 1: Write the proportion equation
6,240,625.20 : 9,353,939.40 = 3,206,818.80 : x - Step 2: Convert to fraction form
6,240,625.20/9,353,939.40 = 3,206,818.80/x - Step 3: Cross multiply
6,240,625.20x = 9,353,939.40 × 3,206,818.80 - Step 4: Simplify right side
6,240,625.20x = 29,996,388,721,980.72 - Step 5: Solve for x
x = 29,996,388,721,980.72/6,240,625.20 - Step 6: Final answer
x = 4,806,631.99
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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.