Finding the Fourth Proportional to 2,775,928.88, 3,830,760.19 and 1,552,236.77
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Solution
The fourth proportional to 2,775,928.88, 3,830,760.19 and 1,552,236.77 is: 2,142,074.62
Step by Step Solution
- Step 1: Write the proportion equation
2,775,928.88 : 3,830,760.19 = 1,552,236.77 : x - Step 2: Convert to fraction form
2,775,928.88/3,830,760.19 = 1,552,236.77/x - Step 3: Cross multiply
2,775,928.88x = 3,830,760.19 × 1,552,236.77 - Step 4: Simplify right side
2,775,928.88x = 5,946,246,800,935.79 - Step 5: Solve for x
x = 5,946,246,800,935.79/2,775,928.88 - Step 6: Final answer
x = 2,142,074.62
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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.