Finding the Fourth Proportional to 2,681,964.28, 3,701,110.74 and 1,474,740.28
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Solution
The fourth proportional to 2,681,964.28, 3,701,110.74 and 1,474,740.28 is: 2,035,141.60
Step by Step Solution
- Step 1: Write the proportion equation
2,681,964.28 : 3,701,110.74 = 1,474,740.28 : x - Step 2: Convert to fraction form
2,681,964.28/3,701,110.74 = 1,474,740.28/x - Step 3: Cross multiply
2,681,964.28x = 3,701,110.74 × 1,474,740.28 - Step 4: Simplify right side
2,681,964.28x = 5,458,177,089,018.61 - Step 5: Solve for x
x = 5,458,177,089,018.61/2,681,964.28 - Step 6: Final answer
x = 2,035,141.60
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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.