Finding the Fourth Proportional to 6,461,489.45, 8,916,855.63 and 3,560,880.32
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Solution
The fourth proportional to 6,461,489.45, 8,916,855.63 and 3,560,880.32 is: 4,914,014.95
Step by Step Solution
- Step 1: Write the proportion equation
6,461,489.45 : 8,916,855.63 = 3,560,880.32 : x - Step 2: Convert to fraction form
6,461,489.45/8,916,855.63 = 3,560,880.32/x - Step 3: Cross multiply
6,461,489.45x = 8,916,855.63 × 3,560,880.32 - Step 4: Simplify right side
6,461,489.45x = 31,751,855,738,087.04 - Step 5: Solve for x
x = 31,751,855,738,087.04/6,461,489.45 - Step 6: Final answer
x = 4,914,014.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.