Finding the Fourth Proportional to 3,922,068.24, 5,412,998.97 and 2,203,319.52
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Solution
The fourth proportional to 3,922,068.24, 5,412,998.97 and 2,203,319.52 is: 3,040,886.99
Step by Step Solution
- Step 1: Write the proportion equation
3,922,068.24 : 5,412,998.97 = 2,203,319.52 : x - Step 2: Convert to fraction form
3,922,068.24/5,412,998.97 = 2,203,319.52/x - Step 3: Cross multiply
3,922,068.24x = 5,412,998.97 × 2,203,319.52 - Step 4: Simplify right side
3,922,068.24x = 11,926,566,292,340.89 - Step 5: Solve for x
x = 11,926,566,292,340.89/3,922,068.24 - Step 6: Final answer
x = 3,040,886.99
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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.