Finding the Fourth Proportional to 2,783,960.12, 3,842,134.62 and 1,560,473.48
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Solution
The fourth proportional to 2,783,960.12, 3,842,134.62 and 1,560,473.48 is: 2,153,604.55
Step by Step Solution
- Step 1: Write the proportion equation
2,783,960.12 : 3,842,134.62 = 1,560,473.48 : x - Step 2: Convert to fraction form
2,783,960.12/3,842,134.62 = 1,560,473.48/x - Step 3: Cross multiply
2,783,960.12x = 3,842,134.62 × 1,560,473.48 - Step 4: Simplify right side
2,783,960.12x = 5,995,549,181,099.88 - Step 5: Solve for x
x = 5,995,549,181,099.88/2,783,960.12 - Step 6: Final answer
x = 2,153,604.55
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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.