Finding the Fourth Proportional to 1,396,353.44, 1,928,104.08 and 1,138,270.88
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Solution
The fourth proportional to 1,396,353.44, 1,928,104.08 and 1,138,270.88 is: 1,571,740.12
Step by Step Solution
- Step 1: Write the proportion equation
1,396,353.44 : 1,928,104.08 = 1,138,270.88 : x - Step 2: Convert to fraction form
1,396,353.44/1,928,104.08 = 1,138,270.88/x - Step 3: Cross multiply
1,396,353.44x = 1,928,104.08 × 1,138,270.88 - Step 4: Simplify right side
1,396,353.44x = 2,194,704,727,873.19 - Step 5: Solve for x
x = 2,194,704,727,873.19/1,396,353.44 - Step 6: Final answer
x = 1,571,740.12
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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.