Finding the Fourth Proportional to 6,388,861.23, 9,583,486.40 and 2,498,163.02
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Solution
The fourth proportional to 6,388,861.23, 9,583,486.40 and 2,498,163.02 is: 3,747,320.60
Step by Step Solution
- Step 1: Write the proportion equation
6,388,861.23 : 9,583,486.40 = 2,498,163.02 : x - Step 2: Convert to fraction form
6,388,861.23/9,583,486.40 = 2,498,163.02/x - Step 3: Cross multiply
6,388,861.23x = 9,583,486.40 × 2,498,163.02 - Step 4: Simplify right side
6,388,861.23x = 23,941,111,307,366.81 - Step 5: Solve for x
x = 23,941,111,307,366.81/6,388,861.23 - Step 6: Final answer
x = 3,747,320.60
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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.