Finding the Fourth Proportional to 5,911,455.21, 8,157,803.67 and 3,195,201.21
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Solution
The fourth proportional to 5,911,455.21, 8,157,803.67 and 3,195,201.21 is: 4,409,375.23
Step by Step Solution
- Step 1: Write the proportion equation
5,911,455.21 : 8,157,803.67 = 3,195,201.21 : x - Step 2: Convert to fraction form
5,911,455.21/8,157,803.67 = 3,195,201.21/x - Step 3: Cross multiply
5,911,455.21x = 8,157,803.67 × 3,195,201.21 - Step 4: Simplify right side
5,911,455.21x = 26,065,824,157,326.44 - Step 5: Solve for x
x = 26,065,824,157,326.44/5,911,455.21 - Step 6: Final answer
x = 4,409,375.23
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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.