Finding the Fourth Proportional to 4,217,571.68, 5,820,238.38 and 2,283,832.12
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Solution
The fourth proportional to 4,217,571.68, 5,820,238.38 and 2,283,832.12 is: 3,151,682.62
Step by Step Solution
- Step 1: Write the proportion equation
4,217,571.68 : 5,820,238.38 = 2,283,832.12 : x - Step 2: Convert to fraction form
4,217,571.68/5,820,238.38 = 2,283,832.12/x - Step 3: Cross multiply
4,217,571.68x = 5,820,238.38 × 2,283,832.12 - Step 4: Simplify right side
4,217,571.68x = 13,292,447,358,300.77 - Step 5: Solve for x
x = 13,292,447,358,300.77/4,217,571.68 - Step 6: Final answer
x = 3,151,682.62
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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.