Finding the Fourth Proportional to 6,364,771.52, 8,779,418.28 and 3,882,858.21
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Solution
The fourth proportional to 6,364,771.52, 8,779,418.28 and 3,882,858.21 is: 5,355,924.60
Step by Step Solution
- Step 1: Write the proportion equation
6,364,771.52 : 8,779,418.28 = 3,882,858.21 : x - Step 2: Convert to fraction form
6,364,771.52/8,779,418.28 = 3,882,858.21/x - Step 3: Cross multiply
6,364,771.52x = 8,779,418.28 × 3,882,858.21 - Step 4: Simplify right side
6,364,771.52x = 34,089,236,347,522.07 - Step 5: Solve for x
x = 34,089,236,347,522.07/6,364,771.52 - Step 6: Final answer
x = 5,355,924.60
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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.