Finding the Fourth Proportional to 1,449,405.50, 2,173,215.29 and 489,770.42
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Solution
The fourth proportional to 1,449,405.50, 2,173,215.29 and 489,770.42 is: 734,353.88
Step by Step Solution
- Step 1: Write the proportion equation
1,449,405.50 : 2,173,215.29 = 489,770.42 : x - Step 2: Convert to fraction form
1,449,405.50/2,173,215.29 = 489,770.42/x - Step 3: Cross multiply
1,449,405.50x = 2,173,215.29 × 489,770.42 - Step 4: Simplify right side
1,449,405.50x = 1,064,376,552,018.79 - Step 5: Solve for x
x = 1,064,376,552,018.79/1,449,405.50 - Step 6: Final answer
x = 734,353.88
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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.