Finding the Fourth Proportional to 1,398,794.32, 1,930,163.68 and 882,353.31
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Solution
The fourth proportional to 1,398,794.32, 1,930,163.68 and 882,353.31 is: 1,217,538.77
Step by Step Solution
- Step 1: Write the proportion equation
1,398,794.32 : 1,930,163.68 = 882,353.31 : x - Step 2: Convert to fraction form
1,398,794.32/1,930,163.68 = 882,353.31/x - Step 3: Cross multiply
1,398,794.32x = 1,930,163.68 × 882,353.31 - Step 4: Simplify right side
1,398,794.32x = 1,703,086,311,889.78 - Step 5: Solve for x
x = 1,703,086,311,889.78/1,398,794.32 - Step 6: Final answer
x = 1,217,538.77
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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.