Finding the Fourth Proportional to 5,162,629.24, 7,738,889.14 and 2,889,263.80
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Solution
The fourth proportional to 5,162,629.24, 7,738,889.14 and 2,889,263.80 is: 4,331,066.83
Step by Step Solution
- Step 1: Write the proportion equation
5,162,629.24 : 7,738,889.14 = 2,889,263.80 : x - Step 2: Convert to fraction form
5,162,629.24/7,738,889.14 = 2,889,263.80/x - Step 3: Cross multiply
5,162,629.24x = 7,738,889.14 × 2,889,263.80 - Step 4: Simplify right side
5,162,629.24x = 22,359,692,244,415.13 - Step 5: Solve for x
x = 22,359,692,244,415.13/5,162,629.24 - Step 6: Final answer
x = 4,331,066.83
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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.