Finding the Fourth Proportional to 2,328,720.96, 3,212,458.88 and 1,361,219.12
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Solution
The fourth proportional to 2,328,720.96, 3,212,458.88 and 1,361,219.12 is: 1,877,794.95
Step by Step Solution
- Step 1: Write the proportion equation
2,328,720.96 : 3,212,458.88 = 1,361,219.12 : x - Step 2: Convert to fraction form
2,328,720.96/3,212,458.88 = 1,361,219.12/x - Step 3: Cross multiply
2,328,720.96x = 3,212,458.88 × 1,361,219.12 - Step 4: Simplify right side
2,328,720.96x = 4,372,860,449,669.79 - Step 5: Solve for x
x = 4,372,860,449,669.79/2,328,720.96 - Step 6: Final answer
x = 1,877,794.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.