Finding the Fourth Proportional to 4,005,815.16, 5,528,028.03 and 2,351,638.52
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Solution
The fourth proportional to 4,005,815.16, 5,528,028.03 and 2,351,638.52 is: 3,245,262.99
Step by Step Solution
- Step 1: Write the proportion equation
4,005,815.16 : 5,528,028.03 = 2,351,638.52 : x - Step 2: Convert to fraction form
4,005,815.16/5,528,028.03 = 2,351,638.52/x - Step 3: Cross multiply
4,005,815.16x = 5,528,028.03 × 2,351,638.52 - Step 4: Simplify right side
4,005,815.16x = 12,999,923,690,195.91 - Step 5: Solve for x
x = 12,999,923,690,195.91/4,005,815.16 - Step 6: Final answer
x = 3,245,262.99
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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.