Finding the Fourth Proportional to 6,515,124.36, 8,991,950.84 and 3,615,446.64
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Solution
The fourth proportional to 6,515,124.36, 8,991,950.84 and 3,615,446.64 is: 4,989,915.26
Step by Step Solution
- Step 1: Write the proportion equation
6,515,124.36 : 8,991,950.84 = 3,615,446.64 : x - Step 2: Convert to fraction form
6,515,124.36/8,991,950.84 = 3,615,446.64/x - Step 3: Cross multiply
6,515,124.36x = 8,991,950.84 × 3,615,446.64 - Step 4: Simplify right side
6,515,124.36x = 32,509,918,451,523.18 - Step 5: Solve for x
x = 32,509,918,451,523.18/6,515,124.36 - Step 6: Final answer
x = 4,989,915.26
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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.