Finding the Fourth Proportional to 4,418,415.99, 6,627,557.39 and 1,987,852.77
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Solution
The fourth proportional to 4,418,415.99, 6,627,557.39 and 1,987,852.77 is: 2,981,749.19
Step by Step Solution
- Step 1: Write the proportion equation
4,418,415.99 : 6,627,557.39 = 1,987,852.77 : x - Step 2: Convert to fraction form
4,418,415.99/6,627,557.39 = 1,987,852.77/x - Step 3: Cross multiply
4,418,415.99x = 6,627,557.39 × 1,987,852.77 - Step 4: Simplify right side
4,418,415.99x = 13,174,608,306,106.21 - Step 5: Solve for x
x = 13,174,608,306,106.21/4,418,415.99 - Step 6: Final answer
x = 2,981,749.19
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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.