Finding the Fourth Proportional to 1,449,485.33, 2,173,868.70 and 489,919.62
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Solution
The fourth proportional to 1,449,485.33, 2,173,868.70 and 489,919.62 is: 734,757.99
Step by Step Solution
- Step 1: Write the proportion equation
1,449,485.33 : 2,173,868.70 = 489,919.62 : x - Step 2: Convert to fraction form
1,449,485.33/2,173,868.70 = 489,919.62/x - Step 3: Cross multiply
1,449,485.33x = 2,173,868.70 × 489,919.62 - Step 4: Simplify right side
1,449,485.33x = 1,065,020,927,433.89 - Step 5: Solve for x
x = 1,065,020,927,433.89/1,449,485.33 - Step 6: Final answer
x = 734,757.99
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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.