Finding the Fourth Proportional to 2,644,239.88, 3,647,806.50 and 1,917,493.48
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Solution
The fourth proportional to 2,644,239.88, 3,647,806.50 and 1,917,493.48 is: 2,645,238.52
Step by Step Solution
- Step 1: Write the proportion equation
2,644,239.88 : 3,647,806.50 = 1,917,493.48 : x - Step 2: Convert to fraction form
2,644,239.88/3,647,806.50 = 1,917,493.48/x - Step 3: Cross multiply
2,644,239.88x = 3,647,806.50 × 1,917,493.48 - Step 4: Simplify right side
2,644,239.88x = 6,994,645,180,051.62 - Step 5: Solve for x
x = 6,994,645,180,051.62/2,644,239.88 - Step 6: Final answer
x = 2,645,238.52
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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.