Finding the Fourth Proportional to 4,213,753.11, 5,814,937.35 and 2,279,971.26
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Solution
The fourth proportional to 4,213,753.11, 5,814,937.35 and 2,279,971.26 is: 3,146,337.64
Step by Step Solution
- Step 1: Write the proportion equation
4,213,753.11 : 5,814,937.35 = 2,279,971.26 : x - Step 2: Convert to fraction form
4,213,753.11/5,814,937.35 = 2,279,971.26/x - Step 3: Cross multiply
4,213,753.11x = 5,814,937.35 × 2,279,971.26 - Step 4: Simplify right side
4,213,753.11x = 13,257,890,036,700.56 - Step 5: Solve for x
x = 13,257,890,036,700.56/4,213,753.11 - Step 6: Final answer
x = 3,146,337.64
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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.