Finding the Fourth Proportional to 2,390,163.60, 3,293,889 and 1,709,919.12
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Solution
The fourth proportional to 2,390,163.60, 3,293,889 and 1,709,919.12 is: 2,356,442.79
Step by Step Solution
- Step 1: Write the proportion equation
2,390,163.60 : 3,293,889 = 1,709,919.12 : x - Step 2: Convert to fraction form
2,390,163.60/3,293,889 = 1,709,919.12/x - Step 3: Cross multiply
2,390,163.60x = 3,293,889 × 1,709,919.12 - Step 4: Simplify right side
2,390,163.60x = 5,632,283,780,257.68 - Step 5: Solve for x
x = 5,632,283,780,257.68/2,390,163.60 - Step 6: Final answer
x = 2,356,442.79
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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.