Finding the Fourth Proportional to 1,449,489.75, 2,173,875.33 and 489,924.02
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Solution
The fourth proportional to 1,449,489.75, 2,173,875.33 and 489,924.02 is: 734,764.58
Step by Step Solution
- Step 1: Write the proportion equation
1,449,489.75 : 2,173,875.33 = 489,924.02 : x - Step 2: Convert to fraction form
1,449,489.75/2,173,875.33 = 489,924.02/x - Step 3: Cross multiply
1,449,489.75x = 2,173,875.33 × 489,924.02 - Step 4: Simplify right side
1,449,489.75x = 1,065,033,729,783.05 - Step 5: Solve for x
x = 1,065,033,729,783.05/1,449,489.75 - Step 6: Final answer
x = 734,764.58
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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.