Finding the Fourth Proportional to 3,351,203.80, 5,028,117.90 and 1,329,103.60
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Solution
The fourth proportional to 3,351,203.80, 5,028,117.90 and 1,329,103.60 is: 1,994,175.82
Step by Step Solution
- Step 1: Write the proportion equation
3,351,203.80 : 5,028,117.90 = 1,329,103.60 : x - Step 2: Convert to fraction form
3,351,203.80/5,028,117.90 = 1,329,103.60/x - Step 3: Cross multiply
3,351,203.80x = 5,028,117.90 × 1,329,103.60 - Step 4: Simplify right side
3,351,203.80x = 6,682,889,602,114.44 - Step 5: Solve for x
x = 6,682,889,602,114.44/3,351,203.80 - Step 6: Final answer
x = 1,994,175.82
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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.