Finding the Fourth Proportional to 3,451,521.24, 5,178,806.90 and 1,809,806.42
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Solution
The fourth proportional to 3,451,521.24, 5,178,806.90 and 1,809,806.42 is: 2,715,509.28
Step by Step Solution
- Step 1: Write the proportion equation
3,451,521.24 : 5,178,806.90 = 1,809,806.42 : x - Step 2: Convert to fraction form
3,451,521.24/5,178,806.90 = 1,809,806.42/x - Step 3: Cross multiply
3,451,521.24x = 5,178,806.90 × 1,809,806.42 - Step 4: Simplify right side
3,451,521.24x = 9,372,637,940,617.23 - Step 5: Solve for x
x = 9,372,637,940,617.23/3,451,521.24 - Step 6: Final answer
x = 2,715,509.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.