Finding the Fourth Proportional to 5,236,682.16, 7,838,221.41 and 2,801,744.14
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Solution
The fourth proportional to 5,236,682.16, 7,838,221.41 and 2,801,744.14 is: 4,193,626.85
Step by Step Solution
- Step 1: Write the proportion equation
5,236,682.16 : 7,838,221.41 = 2,801,744.14 : x - Step 2: Convert to fraction form
5,236,682.16/7,838,221.41 = 2,801,744.14/x - Step 3: Cross multiply
5,236,682.16x = 7,838,221.41 × 2,801,744.14 - Step 4: Simplify right side
5,236,682.16x = 21,960,690,903,490.04 - Step 5: Solve for x
x = 21,960,690,903,490.04/5,236,682.16 - Step 6: Final answer
x = 4,193,626.85
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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.