Finding the Fourth Proportional to 4,279,524.36, 5,905,814.97 and 2,319,465.02
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Solution
The fourth proportional to 4,279,524.36, 5,905,814.97 and 2,319,465.02 is: 3,200,900.40
Step by Step Solution
- Step 1: Write the proportion equation
4,279,524.36 : 5,905,814.97 = 2,319,465.02 : x - Step 2: Convert to fraction form
4,279,524.36/5,905,814.97 = 2,319,465.02/x - Step 3: Cross multiply
4,279,524.36x = 5,905,814.97 × 2,319,465.02 - Step 4: Simplify right side
4,279,524.36x = 13,698,331,243,372.98 - Step 5: Solve for x
x = 13,698,331,243,372.98/4,279,524.36 - Step 6: Final answer
x = 3,200,900.40
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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.