Finding the Fourth Proportional to 3,853,810.08, 5,318,186.76 and 2,134,892.88
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Solution
The fourth proportional to 3,853,810.08, 5,318,186.76 and 2,134,892.88 is: 2,946,112.76
Step by Step Solution
- Step 1: Write the proportion equation
3,853,810.08 : 5,318,186.76 = 2,134,892.88 : x - Step 2: Convert to fraction form
3,853,810.08/5,318,186.76 = 2,134,892.88/x - Step 3: Cross multiply
3,853,810.08x = 5,318,186.76 × 2,134,892.88 - Step 4: Simplify right side
3,853,810.08x = 11,353,759,048,434.27 - Step 5: Solve for x
x = 11,353,759,048,434.27/3,853,810.08 - Step 6: Final answer
x = 2,946,112.76
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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.