Finding the Fourth Proportional to 5,485,541.68, 8,226,723.70 and 1,647,208.99
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Solution
The fourth proportional to 5,485,541.68, 8,226,723.70 and 1,647,208.99 is: 2,470,336.39
Step by Step Solution
- Step 1: Write the proportion equation
5,485,541.68 : 8,226,723.70 = 1,647,208.99 : x - Step 2: Convert to fraction form
5,485,541.68/8,226,723.70 = 1,647,208.99/x - Step 3: Cross multiply
5,485,541.68x = 8,226,723.70 × 1,647,208.99 - Step 4: Simplify right side
5,485,541.68x = 13,551,133,236,886.06 - Step 5: Solve for x
x = 13,551,133,236,886.06/5,485,541.68 - Step 6: Final answer
x = 2,470,336.39
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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.