Finding the Fourth Proportional to 3,611,373.78, 5,415,485.86 and 1,365,937.14
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Solution
The fourth proportional to 3,611,373.78, 5,415,485.86 and 1,365,937.14 is: 2,048,310.06
Step by Step Solution
- Step 1: Write the proportion equation
3,611,373.78 : 5,415,485.86 = 1,365,937.14 : x - Step 2: Convert to fraction form
3,611,373.78/5,415,485.86 = 1,365,937.14/x - Step 3: Cross multiply
3,611,373.78x = 5,415,485.86 × 1,365,937.14 - Step 4: Simplify right side
3,611,373.78x = 7,397,213,260,489.15 - Step 5: Solve for x
x = 7,397,213,260,489.15/3,611,373.78 - Step 6: Final answer
x = 2,048,310.06
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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.