Finding the Fourth Proportional to 2,171,381.96, 2,996,523.70 and 1,191,314.44
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Solution
The fourth proportional to 2,171,381.96, 2,996,523.70 and 1,191,314.44 is: 1,644,023.03
Step by Step Solution
- Step 1: Write the proportion equation
2,171,381.96 : 2,996,523.70 = 1,191,314.44 : x - Step 2: Convert to fraction form
2,171,381.96/2,996,523.70 = 1,191,314.44/x - Step 3: Cross multiply
2,171,381.96x = 2,996,523.70 × 1,191,314.44 - Step 4: Simplify right side
2,171,381.96x = 3,569,801,953,612.23 - Step 5: Solve for x
x = 3,569,801,953,612.23/2,171,381.96 - Step 6: Final answer
x = 1,644,023.03
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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.