Finding the Fourth Proportional to 3,488,631.42, 5,235,163.29 and 1,805,734.92
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Solution
The fourth proportional to 3,488,631.42, 5,235,163.29 and 1,805,734.92 is: 2,709,749.48
Step by Step Solution
- Step 1: Write the proportion equation
3,488,631.42 : 5,235,163.29 = 1,805,734.92 : x - Step 2: Convert to fraction form
3,488,631.42/5,235,163.29 = 1,805,734.92/x - Step 3: Cross multiply
3,488,631.42x = 5,235,163.29 × 1,805,734.92 - Step 4: Simplify right side
3,488,631.42x = 9,453,317,164,655.09 - Step 5: Solve for x
x = 9,453,317,164,655.09/3,488,631.42 - Step 6: Final answer
x = 2,709,749.48
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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.