Finding the Fourth Proportional to 3,853,691.29, 5,318,094.05 and 2,134,923.13
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Solution
The fourth proportional to 3,853,691.29, 5,318,094.05 and 2,134,923.13 is: 2,946,193.96
Step by Step Solution
- Step 1: Write the proportion equation
3,853,691.29 : 5,318,094.05 = 2,134,923.13 : x - Step 2: Convert to fraction form
3,853,691.29/5,318,094.05 = 2,134,923.13/x - Step 3: Cross multiply
3,853,691.29x = 5,318,094.05 × 2,134,923.13 - Step 4: Simplify right side
3,853,691.29x = 11,353,721,994,860.38 - Step 5: Solve for x
x = 11,353,721,994,860.38/3,853,691.29 - Step 6: Final answer
x = 2,946,193.96
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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.