Finding the Fourth Proportional to 1,436,922.99, 2,155,435.38 and 357,441.12
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Solution
The fourth proportional to 1,436,922.99, 2,155,435.38 and 357,441.12 is: 536,174.34
Step by Step Solution
- Step 1: Write the proportion equation
1,436,922.99 : 2,155,435.38 = 357,441.12 : x - Step 2: Convert to fraction form
1,436,922.99/2,155,435.38 = 357,441.12/x - Step 3: Cross multiply
1,436,922.99x = 2,155,435.38 × 357,441.12 - Step 4: Simplify right side
1,436,922.99x = 770,441,236,314.83 - Step 5: Solve for x
x = 770,441,236,314.83/1,436,922.99 - Step 6: Final answer
x = 536,174.34
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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.