Finding the Fourth Proportional to 5,159,163.66, 7,738,763.49 and 1,564,961.58
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Solution
The fourth proportional to 5,159,163.66, 7,738,763.49 and 1,564,961.58 is: 2,347,447.83
Step by Step Solution
- Step 1: Write the proportion equation
5,159,163.66 : 7,738,763.49 = 1,564,961.58 : x - Step 2: Convert to fraction form
5,159,163.66/7,738,763.49 = 1,564,961.58/x - Step 3: Cross multiply
5,159,163.66x = 7,738,763.49 × 1,564,961.58 - Step 4: Simplify right side
5,159,163.66x = 12,110,867,538,556.71 - Step 5: Solve for x
x = 12,110,867,538,556.71/5,159,163.66 - Step 6: Final answer
x = 2,347,447.83
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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.