Finding the Fourth Proportional to 3,853,017.26, 5,317,163.72 and 2,134,248.50
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Solution
The fourth proportional to 3,853,017.26, 5,317,163.72 and 2,134,248.50 is: 2,945,262.88
Step by Step Solution
- Step 1: Write the proportion equation
3,853,017.26 : 5,317,163.72 = 2,134,248.50 : x - Step 2: Convert to fraction form
3,853,017.26/5,317,163.72 = 2,134,248.50/x - Step 3: Cross multiply
3,853,017.26x = 5,317,163.72 × 2,134,248.50 - Step 4: Simplify right side
3,853,017.26x = 11,348,148,693,664.42 - Step 5: Solve for x
x = 11,348,148,693,664.42/3,853,017.26 - Step 6: Final answer
x = 2,945,262.88
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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.